added SWTableViewCell classes
fixes #126
refactor ProgramTVC tests
update project structure
Merge branch 'ide_refactoring' into issue#126

* 'ide_refactoring' of gh:Catrobat/Catty:
  removed RoundBorderButton duplicate in project
  fix asset catalogue merge conflict
  typo fix
  changes background and header text color
  fixes #206
  fix cell accessory indicator issue
  fix missing RoundBorderdButton compile error
  fix CreateView not found compile warning
  set background color contentView
  minor changes
  updated launch screen, other small changes
  remove empty cells separator
  reusable header view
  table view separators, header
  changes global cell layout and design, navigation bar iOS7 blur

Conflicts:
	src/Catty/ProgramTableViewController.m
	src/Catty/SoundPickerTableViewController.m
	src/Catty/iPhone.storyboard