Exec -> ExecShard to clarify they work on shards.
Custom bson encoding for rpc objets.
Vtctld improvements: handle multiple explorers.
Change to use a fixed clone of google-mysql.
Merge branch 'master' into barnacle
Tests for custom protos.
Reuse bson string array functions.
Fix typo in ZooKeeper explorer.
Merge branch 'master' of github.com:youtube/vitess
Merge branch 'master' into replication