CHANGELOG: update with latest logger change

Signed-off-by: Gyuho Lee <[email protected]>

CHANGELOG-3.0.md

@@ -2,7 +2,7 @@
 
 ## [v3.0.16](https://github.com/coreos/etcd/releases/tag/v3.0.16) (2016-11-13)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.15...v3.0.16) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.15...v3.0.16) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Go
 
@@ -11,7 +11,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.15...v3.0.16) and
 
 ## [v3.0.15](https://github.com/coreos/etcd/releases/tag/v3.0.15) (2016-11-11)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.14...v3.0.15) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.14...v3.0.15) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Fixed
 
@@ -24,7 +24,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.14...v3.0.15) and
 
 ## [v3.0.14](https://github.com/coreos/etcd/releases/tag/v3.0.14) (2016-11-04)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.13...v3.0.14) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.13...v3.0.14) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Added
 
@@ -37,7 +37,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.13...v3.0.14) and
 
 ## [v3.0.13](https://github.com/coreos/etcd/releases/tag/v3.0.13) (2016-10-24)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.12...v3.0.13) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.12...v3.0.13) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Go
 
@@ -46,7 +46,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.12...v3.0.13) and
 
 ## [v3.0.12](https://github.com/coreos/etcd/releases/tag/v3.0.12) (2016-10-07)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.11...v3.0.12) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.11...v3.0.12) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Go
 
@@ -55,7 +55,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.11...v3.0.12) and
 
 ## [v3.0.11](https://github.com/coreos/etcd/releases/tag/v3.0.11) (2016-10-07)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.10...v3.0.11) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.10...v3.0.11) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Added
 
@@ -70,7 +70,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.10...v3.0.11) and
 
 ## [v3.0.10](https://github.com/coreos/etcd/releases/tag/v3.0.10) (2016-09-23)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.9...v3.0.10) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.9...v3.0.10) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Go
 
@@ -79,7 +79,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.9...v3.0.10) and
 
 ## [v3.0.9](https://github.com/coreos/etcd/releases/tag/v3.0.9) (2016-09-15)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.8...v3.0.9) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.8...v3.0.9) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Added
 
@@ -92,7 +92,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.8...v3.0.9) and [
 
 ## [v3.0.8](https://github.com/coreos/etcd/releases/tag/v3.0.8) (2016-09-09)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.7...v3.0.8) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.7...v3.0.8) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Other
 
@@ -105,7 +105,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.7...v3.0.8) and [
 
 ## [v3.0.7](https://github.com/coreos/etcd/releases/tag/v3.0.7) (2016-08-31)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.6...v3.0.7) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.6...v3.0.7) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Other
 
@@ -118,7 +118,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.6...v3.0.7) and [
 
 ## [v3.0.6](https://github.com/coreos/etcd/releases/tag/v3.0.6) (2016-08-19)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.5...v3.0.6) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.5...v3.0.6) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Go
 
@@ -127,7 +127,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.5...v3.0.6) and [
 
 ## [v3.0.5](https://github.com/coreos/etcd/releases/tag/v3.0.5) (2016-08-19)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.4...v3.0.5) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.4...v3.0.5) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Other
 
@@ -140,7 +140,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.4...v3.0.5) and [
 
 ## [v3.0.4](https://github.com/coreos/etcd/releases/tag/v3.0.4) (2016-07-27)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.3...v3.0.4) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.3...v3.0.4) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Added
 
@@ -158,7 +158,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.3...v3.0.4) and [
 
 ## [v3.0.3](https://github.com/coreos/etcd/releases/tag/v3.0.3) (2016-07-15)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.2...v3.0.3) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.2...v3.0.3) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Other
 
@@ -173,7 +173,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.2...v3.0.3) and [
 
 ## [v3.0.2](https://github.com/coreos/etcd/releases/tag/v3.0.2) (2016-07-08)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.1...v3.0.2) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.1...v3.0.2) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Other
 
@@ -186,7 +186,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.1...v3.0.2) and [
 
 ## [v3.0.1](https://github.com/coreos/etcd/releases/tag/v3.0.1) (2016-07-01)
 
-See [code changes](https://github.com/coreos/etcd/compare/v3.0.0...v3.0.1) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v3.0.0...v3.0.1) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Go
 
@@ -195,7 +195,7 @@ See [code changes](https://github.com/coreos/etcd/compare/v3.0.0...v3.0.1) and [
 
 ## [v3.0.0](https://github.com/coreos/etcd/releases/tag/v3.0.0) (2016-06-30)
 
-See [code changes](https://github.com/coreos/etcd/compare/v2.3.0...v3.0.0) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes.
+See [code changes](https://github.com/coreos/etcd/compare/v2.3.0...v3.0.0) and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md) for any breaking changes. **Again, before running upgrades from any previous release, please make sure to read change logs below and [v3.0 upgrade guide](https://github.com/coreos/etcd/blob/master/Documentation/upgrades/upgrade_3_0.md).**
 
 ### Go