Refactor projects controller to use pundit
Add admin policy
Use admin policy class on admin
Create channels admin base controller
Create channel policy
Use channels base admin controller on channels admin controllers
Admins should be able to access channel's admin
Remove admin access from abitily
Use described_class on admin and channel policy spec
Refactor spec messages on projects controller
Refactor channels/admin controllers to use wrapper module
Merge pull request #142 from neighborly/jl-pundit-admin

Migrate admin rights to pundit
Remove channels/profile#dit

Since we have users#edit this is not necessary anymore
Import channels_subscriber policy from catarse
Refactor channels_subscriber policy spec
Migrate channels_subscribers controller to pundit
Remove channels from cancan
Remove all channel's ability