replace meta_search with ransack
moar fixes
remove Rails 3.0 and add Rails 4.0 to Travis
ransack hack
rails 4 hacks, fixes
Merge branch 'rails4' of https://github.com/akashkamboj/active_admin

Conflicts:
	lib/active_admin/inputs/filter_boolean_input.rb
	lib/active_admin/resource/naming.rb