Generate TabletChange events.
make vtgate topo agnostic

Topo server support is controlled by plugins. Not everyone needs
zookeeper support.
Add unit tests for Syslog() translation functions.
Merge pull request #66 from plobsing/topo-agnostic

make vtgate topo agnostic
Change to histogram label formatting in go/stats/timings.go.
Skip long tests in "go test -short" mode.
Add GTID interface and implement for Google MySQL and MariaDB.
Updating histogram labeling and formatting.
Run goimports.
Refactor mysqlctl for GTID support.
Reverting to state of main vitess repo.
Really reverting this time.
Add MasterCell to SrvShard
Merge branch 'master' into liguo
Add debug info for KeyRange
Check for nil GTID in Marshal/Unmarshal.
Parser: Set table names for DDLs
Table ACL: configuration file based access checker
Fix BinlogInfo() for GTID.
Support JSON marshal/unmarshal of GTIDField.