Removed require for title

Used a custom roomName for licode instead of the stream's
title
[Closes #29]
Added helper for testing devise
Changed room name
Updating stream specs
Added json format to test
Added confirmed_at for fixing tests
Disabled confirmable module for the time being
Require a valid user for modifying channels
Disabled confirmable from controller and tests
Merge pull request #30 from peepoltv/develop

Removed requirement for stream title and added user authentication for streams and channels