Strip whitespace from routes.
Dynamic omniauth strategies for facebook.

*Removes unneccesary APP_CONFIG ids for facebook.
*Adds setup phase hook for setting up facebook strategy
*Adds necessary routes for setup phase hook
*Removes unnecessary omniauth classes that created community specific strategies
Remove fb credentials.
Return facebook credentials to config, setup and checks.
Facebook credential management to admin ui.
Two column layout for facebook connect and new translations with links to Facebook developers dashboard.
Add route for devise setup phase hook.
Clean unnecessary whitespace and fix config example.
Merge branch 'master' into fb-connect

Conflicts:
	config/routes.rb
Merge branch 'master' into fb-connect

Conflicts:
	config/initializers/devise.rb
	config/initializers/omniauth.rb
Merge branch 'master' into fb-connect
Use maybe in checking if fb login is in use for the community.
Simplify path handling for fb omniauth path.
Add validations, messages and placeholders for fb credentials.
Fix indentation.
Fix validation of fb connect id.
Merge pull request #392 from sharetribe/fb-connect

Add facebook credential management to admin-ui.