Adding Scrap and Delete tablet to vtctld, under ACL.

Also fixing a few things here and there.
Change parameter parsing style for mysqlctl.
vtowrker: putting the status page in servenv.status format.

Also using jquery for auto-refresh of the div, much cleaner.
Moving jquery includes to own file.
Adding links to tablet info.
Merge branch 'master' of github.com:youtube/vitess