Update setup_mysql

I suppose the message is meaning to say the options.js file should say mysql.  The message instead says postgresql.
Merge pull request #186 from robogeek/patch-1

Update setup_mysql
Bump to 0.6.3
Pegged browserchannel version at ~1
Fixing typo: snaphot -> snapshot
Merge pull request #215 from mad-eye/snapshot-fix

Fixing typo: snaphot -> snapshot
Built webclient