refactor all localized-string-constants
fixes #220
Merge pull request #368 from Catrobat/issue#220

Issue#220
fix merge bug
Merge branch 'master' of gh:Catrobat/Catty into issue#361

# Via Ralph Samer (1) and marcslavec (1)
* 'master' of gh:Catrobat/Catty:
  fixes #220
  refactor all localized-string-constants

Conflicts:
	src/Catty/ProgramTableViewController.m