fixed swtableView
turned on some warnings and fixed them
some warning fixes
fix description in Header class compile warning
Merge branch 'master' of gh:Catrobat/Catty into ios8_fixes

* 'master' of gh:Catrobat/Catty:
  changed link to Terms Of Use
  fixes #362
  bugfix for inverse trigonometric functions
deployment target fix
Merge pull request #365 from Catrobat/ios8_fixes

Ios8 fixes