HelpView alert when program is already in the memory
small bugfix
fixes #306
fixes #305
Merge branch 'master' of gh:Catrobat/Catty into issue305

* 'master' of gh:Catrobat/Catty:
  fixes #261

Conflicts:
	src/Catty/FileManager.m
Merge pull request #311 from Catrobat/issue305

Issue305