filter problems
Merge branch 'view-all-keys' of github.com:phoenix-scitent/okm into view-all-keys

Conflicts:
	app/controllers/keys_controller.rb
Merge branch 'view-all-keys' of github.com:phoenix-scitent/okm into view-all-keys
improve filtering and add some tests
Merge branch 'view-all-keys' of github.com:phoenix-scitent/okm into view-all-keys