moved menu inflating and handling of base menu items into BaseActivity

fixes CAT-1055
Implemented FaceDetection and Camera support
Fixed FaceDetection
compatibility of Led Brick (Singleton Camera)
Merge pull request #1081 from Catrobat/restoreFacedetection

Restore facedetection
Merge pull request #1076 from Catrobat/CAT-1055

[CAT-1055] Complete [overflow] menu entries on all screens
cat-1055 #fixed
fixed CAT-531

added try/catch to location of possible exceptions

added default case to switch statement
Refactored XStreamToSupportCatrobatLanguageVersion091AndBeforeTest.java Upgraded language version to 0.93
Merge pull request #1066 from Catrobat/refactorBricksFixes

[GSOCTC-1.1] Refactor Bricks Fixes
Merge pull request #1083 from Catrobat/CAT-531

[CAT-531] NullPointerException: LookFragment.onActivityCreated
cat-531 #fixed
Implementation of bubble bricks.

* Baseclass implementation for all 4 bubble bricks.
* Say-, SayFor-, Think- and ThinkFor layouts, actions and brick implementation.
* 9-patch picture.

Bubble position on stage:
* Normalization of long bubble text.
* Raw measuring of bubble size.
* Bubble placement when object rotates.
* Replacement of bubble if it's outside of screen.