Copying Sprites didn't copy the local variables

 * this fix will copy the local variables in the Sprite.clone() method
 * tested in new SpriteTest.testSpriteCloneWithLocalVariable() method
Merge pull request #625 from Catrobat/fixCopySpriteVariable

Copying Sprites didn't copy the local variables
Fix issue#506
Wrote tests for SpeakStage and OnUtteranceCompletedListenerContainer
SpeakBrick generates a soundfile that is played back now
Merge pull request #627 from Catrobat/issue#506

Fix issue#506
WebView improvements
Actionbar is hidden;
History implemented (by pressing Back button);
Return to PocketCode by pressing PocketCode logo in WebView
Merge pull request #629 from Catrobat/webview

WebView improvements
no bricks are required to show the first look

This semantic change seems to be more straightforward and easier to use.

Changed in this commit:
 * Catrobat-Language version update to 0.9
 * If there's a look in the object it will be shown by default
 * Adapted and refactored test case plus a new one
Change notification Text for Download and copy finished (EN, DE)
Change Copy notification behavior to open copied Poroject.
add Test for StatusBarNotificationManager
Merge pull request #623 from Catrobat/issue#616

fix issue#616
Merge pull request #635 from Catrobat/usabilityTest

no bricks are required to show the first look
Merge branch 'master' into issue#570