fixed Problem with deleted project in Settings:
 - project now gets also deleted from settings
 - added tests
 - refactored testDeleteSprite and testDeleteViaActionBar
 - some minor changes
Merge pull request #1130 from Catrobat/refactor_deleteProject

fixed Problem with project in Settings
CAT-1174 #fixed
initial rebase commit

fixed test targets

fixed hardware and software tests to reflect correct tag ids