Beta redirects, url handlers, url encoding
* /beta now redirects to default archieve url pattern
* Express URL handlers for /me and /me/login
* Fixed some URL patterns in angular routing, for room/:params
* URL encoding for gravatar URL patterns when user signs up.
Merge branch 'master' of http://github.com/scrollback/scrollback
FIxed a bug in socket.js, some redirection related fixes and a check has
been implemented for empty user names on new user sign up.
Merge branch 'master' of http://github.com/scrollback/scrollback