Fix for update stream test.
Merge pull request #9 from youtube/reparent-fix

Taking shard lock earlier in reparenting actions.
Merge pull request #10 from youtube/update-stream-fix

Fix for update stream test.
Adding missing unit tests to Makefile.
Merge pull request #11 from youtube/topo

Adding missing unit tests to Makefile.
Adding a CreateShard command.

Adding a -parent option to InitTablet, so it can then
create the Keyspace and Shard. If no specified, it doesn't
even try to create them. This is more consistent.
Fixing typo in this script.
Merge branch 'master' of github.com:youtube/vitess into reparent-fix