first commit for server
fix readme syntax
server mockup
add files
delete unused file
join/leave が動かない
動いた (仮)
Merge branch 'ios' into server
downgrade socket.io from 1.0 -> 0.9
imageURLがnull
server now accepts file upload with /upload. client can get correct URL
now
Merge branch 'server' into ios

Conflicts:
	nanikore/AppDelegate.m