prepare tokio-sync v0.1.7 release. (tokio-rs#1650)

reactor: Remove extra semi colon (tokio-rs#1616)

* reactor: Remove extra semi colon

* fmt

reactor: Remove extra semi colon (tokio-rs#1616)

* reactor: Remove extra semi colon

* fmt

Prepare for release of 0.2.0-alpha.6 (tokio-rs#1617)

Note that `tokio-timer` and `tokio-tls` become 0.3.0-alpha.6 (not 0.2.0)

Release 0.2.0 alpha.5 (tokio-rs#1576)

Add more unit tests for UdpFramed (tokio-rs#1522)

prepare v0.2.0-alpha.4 (tokio-rs#1509)

Prep `tokio-udp` 0.1.4 release (tokio-rs#1503)

* Fix warnings in udp tests

* Prep tokio-udp 0.1.4 release

prepare v0.2.0-alpha.3 release (tokio-rs#1505)

chore: prepare for v0.2.0-alpha.1 release (tokio-rs#1410)