Fixing a bug in fakezk creation from json.
Fixing typo.
Merge branch 'master' into replication
Now using RPCs by default for couple operations.
Merge branch 'barnacle'
Adding flag to enable action-based remote action.

The unit tests need it, they don't support RPC actions.
Adding a registration mechanism for tm server.
Renaming rpc files to _server.
Now supporitng plugable clients in tm.
Renaming files to match vtgate conventions.
vtctl matches action names case insensitive.
Fixing tablet field updates in a couple places.

Also updating the tests properly.
Fixing help message.
Suppress tx_pool_full logging, too spammy.