PLAYGROUND-505: 'starter' is default theme for frontend, 'playground' for admin. removed 'postal code' field from admin user creation (causing fatal error). updated bootstrap js location for assetic. removed register.phtml from 'base' theme, we have to use 'starter' one now.
Merge pull request #125 from jonathan-vallet/playground-505-clean-register

PLAYGROUND-505: 'starter' is default theme for frontend, 'playground' fo...