Add keyspace/shards resolution layer
Rewrite srv_topo_server_test to be table driven.
Removing a circular dependency.
Merge branch 'master' of github.com:youtube/vitess
Merge branch 'master' into liguo
Save the original value return by GetEndPoints in ResilientSrvTopoServer.
Merge branch 'vtgate-status'
Fix typo.
More doc in wrangler package.
Renaming vt/topotools to vt/topo/helpers.
Moving Scrap and ChangeType to newly created topotools.
moving rebuild to topotools.
Adding forward compatibility for locking.
Merge branch 'master' into replication
Making default timeout make more sense.
Make flagutil test succeed deterministically.
Merge pull request #39 from msolo/fix_flagutil

Make flagutil test succeed deterministically.
Cosmetic code fix in flagutil.
Add unit test for Resolver
Merge branch 'master' into liguo