Adds search bar for adding thangs in level editor
Update uk.coffee

ukrainian localization. spelling fixes, new translation
Merged and fixed indentation to two spaces instead of three.
Removed sort by scheduled visibility time
Changed timeouts and initial session visibility time
Need updated Aether.
Merge branch 'master' of https://github.com/jayant1992/codecombat into jayant1992-master

Conflicts:
	app/styles/editor/level/thangs_tab.sass
	app/templates/editor/level/thangs_tab.jade
	app/views/editor/level/thangs_tab_view.coffee
Fixed queue