Tagging 3.0

fix a couple of issues in local example:

* restore vschema.sql to keep vagrant working
* teardown correct vttablets after horizontal resharding

* Fix a typo in the helm charts

* Remove 8.0 incompatible settings from cnf files

First release candidate for 3.0

2.2 GA release

2.2.0 RC1 releae

2.2 alpha release

Vitess Release 2.1.1

Vitess Release v2.1.0

Vitess 2.1 RC1