add 3rdParty framework, enabled @import in project settings
minor changes
refactoring/changes edit menu
fixes edit menu
fixed warning dismiss vc
Merge branch 'feature/edit_menu' into ide
Merge branch 'ide' of github.com:Catrobat/Catty into feature/cell_refactor

Conflicts:
	src/Catty.xcodeproj/project.pbxproj