removed storyboard seque to BrickCategoriesTableViewController, present view controller program programmatically
setup navigation items on script category
BrickCategoriesTableViewController dismiss, cell setup + selected state highlight
BricksCollectionViewController navigation, cell layout + highlighting
fixed presenting BricksCollectionViewController completion handler
minor changes brick ide, Notifications for handling brick inserts
fixed bricks ide observer error
basic brick adding to scripts collection view
bug fix for 2nd presenterVC
Merge branch 'ide' of gh:Catrobat/Catty into ide

* 'ide' of gh:Catrobat/Catty:
  basic brick adding to scripts collection view

Conflicts:
	src/Catty/ScriptCollectionViewController.m
solved merge conflicts, project settings indent width (4 spaces, 4 tabs)
add next TODOs + code formatted
BrickCell-subclasses for all bricks
fixed license header
map dataobjects to corresponding views
fix class-brick-mapping
register brick cells
use registered brick cells
bug fix for loading cells
refactored ScriptCVC