Updated gems (but not rails/activerecord :-/).
Deactivated JRuby, because it blocked rails 3.2.19.
Column for active attribute in domains#index view.
Icons instead of yes/no in tables.
Updated gems.
Exclude paper branch from testing on travis.
Merge branch 'master' into rails4

Conflicts:
	Gemfile
	Gemfile.lock
Rails update.
Updated gems.
Fixed flash_class helper method.