Merge pull request #165 from dekpient/master

Redesigned edit player page
Custom chat opening message
Merge remote-tracking branch 'upstream/master'
Merge pull request #166 from VanessaHenderson/master

Custom Chat Opening Message
Centered and easily dismissible popup box
Fix media assign box on media upload page
Make stage list dropdown box responsive
Pressing Enter will submit changes on user, editplayer and mediaedit pages
Style stage edit page :)