[FIX] Reorganized abstract submission

 * Rolled back 1170765c
 * Ideally, Content-Length should be included, or 411 thrown
[FIX] Problem with importing evaluation form
[FIX] FIX return OAUthError
[FIX] RoomNameHook guest allowed
[FIX] Wrong JS i18n
Merge branch 'v1.0'
[MIN] RedisConnectionURL commented
[FIX] Small CSS fixes, favorite button