Add no_mouse option. Lock avatar move when some menus are open.
Lock buttons by TabList, not manually
Merge pull request #609 from igorko/lock_move

Lock avatar move when "Don't use mouse" option is enabled
WidgetSlot skeleton. Allow MenuTalker navigating.
Finish base implementation of WidgetSlot. Navigate through slots in MenuPowers!
Navigate inside MenuCharacter
Navigate inside MenuLog
Fix segmentation fault inside WidgetScrollBox
Add Slots system to ItemStorage based menus.
Break unneeded loops. Stub navigation from menu to menu.
Merge pull request #611 from igorko/slots

Base implementation of WidgetSlot