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 'feature/cell_refactor' into feature/pull_request_ide

* 'feature/cell_refactor' of gh:Catrobat/Catty:
  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/Images.xcassets/LaunchImage.launchimage/Contents.json
fix asset catalogue merge conflict
Merge branch 'master' into feature/pull_request_ide

* 'master' of gh:Catrobat/Catty:
  fixes issue #217
  fixes #218 and fixes #226
  fixes #222
  set program-pointer to nil in CatrobatTVC

Conflicts:
	src/Catty.xcodeproj/project.pbxproj