AN: added ActionsModel.
AN: EnableSoundActionManager::GetAction().
AN: QuarkProxy now has actions model.
AN: use AN_proxy.
AN: no need to have exported actions anymore.
AN: clip list view in RulesListView.
AN: use colors from the theme for the notifier.
Revert "AN: no need to have exported actions anymore."

This reverts commit 3cb48ed79deaf7caf17b3245c0a2de0100514653.

We should just avoid returning sound manager action.
AN: don't return sound manager action.
AN: install theme icon provider and additional import paths.
AN: use ActionButton instead of TextButton for closes.
Azoth Xoox: fixed segfault with double-free on messages clear.