add support for existing GDataXMLNode in all persisting methods

Signed-off-by: Ralph Samer <ralph.samer@student.tugraz.at>
functionality to pretty print XML

Signed-off-by: Ralph Samer <ralph.samer@student.tugraz.at>
move toolbaritems closer together

(as agreed with Dominik)

Signed-off-by: Ralph Samer <ralph.samer@student.tugraz.at>
adopting height for TVC-Section-Headers in ProgramTVC and for TableViewCells in ObjectScriptCategoriesTVC

Signed-off-by: Ralph Samer <ralph.samer@student.tugraz.at>
new TableViewController (ObjectNewScriptCategoryTVC) that handles adding new bricks to ObjectScriptsTVC

Signed-off-by: Ralph Samer <ralph.samer@student.tugraz.at>
Merge branch 'master' of gh:Catrobat/Catty into spritekit

* 'master' of gh:Catrobat/Catty:
  Updated Singing Properties to automatically select right Developer
  .gitignore is now working
  .gitignore is now working
  BugFix: SpriteObject zPosition caused StackOverflow..
  Update README.md
  bad voodoo
adding missing brick types and their descriptions/names

Signed-off-by: Ralph Samer <ralph.samer@student.tugraz.at>
SlideMenu Changes, Grid is available, Sound pauses correctly + merge

SlideMenu Design changes: New order and Size of the MenuButtons, the
Reveal-MenuButton is gone, swipe only on the left side possible

Grid Button is working now

Sound is paused correctly, when entering the menu. When the menu
disappears, the sound resume at the paused moment.
merge
tiny patch that saves new created programs, but does not overwrite any existing programs after leaving the ProgramTVC since the saveToDisk is not fully implemented a.t.m.

Signed-off-by: Ralph Samer <ralph.samer@student.tugraz.at>
Merge branch 'spritekit' of gh:Catrobat/Catty into spritekit

* 'spritekit' of gh:Catrobat/Catty:
  SlideMenu Changes, Grid is available, Sound pauses correctly + merge
Merge branch 'master' of https://github.com/Catrobat/Catty into spritekit
Deleted leftover merge files
Cleanup Of some Tests