implemented Copy Sound Function - Issue1
implemented robotium test regarding to copying of sounds
Merge branch 'master' into gsoc_copy_sound
implemented copy function regarding to bricks
begin testing regarding to copy function of bricks
implemented copy command per action bar
continued test rgarding to copy brick function
Probable fix for Issue#490 and Issue#491
Implemented testCopyActionMode- it works
new commit
fixed bug regarding to copying of bricks per on-touch
Refactor GlideToAction
Refactor Look.
trying to implement multiple copying of bricks
Refactor Look and Actions.
Add getters and setters in user interface dimension for all look parameters.
Updated and refactored all Actions and ActionTests.
continued feature copy of multiple bricks
Rename rotation to direction in Look.
Get direction of look returns values between -179 and 180.
Refactor Actions.

Remove integer casting for positions of sprites in ChangeX/YByNAction.
Refactor IfOnEdgeBounceAction, MoveNStepsAction including tests.
Fix TurnRight, TurnLeft and PointIn.
Add direction test in Look.
implemented copy multiple bricks