find_by_permlink! on channels should not be case sensitive
added first! instead first to raise record not found instead undefined method for nil in some missing call
Merge pull request #360 from devton/master

find_by_permlink! on channels should not be case sensitive
fixing some problems with the new channel home and refactored the channels_subscribers_controller
Merge branch 'master' of github.com:catarse/catarse into fix_new_channel_home
removing unnecessary error handling and 'if'. Also fixed specs to reflect a simpler controller
any parameter to the url should be stored in the database, doesn't make sense to hardcode it here
updated new channel home to use the video stored in database
use authorization only for update and edit of channel profile
Merge pull request #361 from diogob/fix_new_channel_home

Fix new channel home