changes global cell layout and design, navigation bar iOS7 blur
table view separators, header
reusable header view
remove empty cells separator
updated launch screen, other small changes
minor changes
set background color contentView
Merge branch 'ide' of gh:Catrobat/Catty into feature/cell_refactor

* 'ide' of gh:Catrobat/Catty: (36 commits)
  fix "totalSpace is never read" issue
  allow only certain chars for look names
  fix failed test
  same bg color for all cells + some minor fixes
  resolved merge conflicts
  project settings
  brickType as property in Script & Brick class
  fix for detail cells if no looks in object
  fix wrong xml file path
  update modification time
  update modification time
  stops the loading indicator when not enough memory
  fix for tictactoe
  fixed bug concerning noteBricks + fixes #141
  fixes #175
  fixes #200
  fixes #183, fix missing file extension
  conflicts solved
  only stop music in SceneViewController
  fixes #198
  ...

Conflicts:
	src/Catty.xcodeproj/project.pbxproj
	src/Catty/AppDelegate.m
	src/Catty/DarkBlueGradientCell.m
	src/Catty/ProgramTableViewController.m
	src/Catty/RecentProgramsStoreViewController.m
	src/Catty/SearchStoreViewController.m
	src/Catty/iPhone.storyboard
fix CreateView not found compile warning
fix missing RoundBorderdButton compile error
fix cell accessory indicator issue
fixes #206
Merge branch 'ide' of github.com:Catrobat/Catty into feature/cell_refactor

Conflicts:
	src/Catty/BaseTableViewController.m
	src/Catty/ProgramTableViewController.m
	src/Catty/iPhone.storyboard
Merge branch 'ide' of github.com:Catrobat/Catty into feature/cell_refactor
changes background and header text color
typo fix
Merge branch 'ide' of github.com:Catrobat/Catty into feature/cell_refactor

Conflicts:
	src/Catty.xcodeproj/project.pbxproj
Merge branch 'master' of github.com:Catrobat/Catty into feature/pull_request_ide
fixes #79 (#117 #127)
fixes #222