remove footer

* as discussed with Usability team, the clickable footer view has to be removed from all lists
* remove clickable footer from bricklist
refactoring of BrickDragAndDropTest

* adapted checks with adapter.getCount - no footer any more
* testPutHoveringBrickDown now working - adapted index to drag the correct brick (heights changed recently and click was performed on the wrong brick)
* remove goBackToHome
* changed purpose of testclickOnEmptySpace - footer is gone, so nothing should happen
refactoring of MoveBrickAcrossScriptTest

* remove goBackToHome from tearDown()
* use longClickAndDrag from UiTestUtils
* remove comments
* assert adapter now working
refactoring of ScriptDeleteTest

* remove goBackToHome from tearDown()
* adapt indices of script childcount (footerview removed from adapter)
refactoring of brick tests

clickable footerview was removed, and tests with adapter had to be adapted in order to pass without the view
Merge branch 'master' into RemoveFooterFromBricklist
fix crashing test

footer was removed, so indices have to be adjusted.
test crashed with indexoutofbounds
Merge branch 'master' into RemoveFooterFromBricklist
adapt test

drag&drop to bottom of list caused problems
Merge branch 'master' into RemoveFooterFromBricklist
fix for end of loop bricks
quickfix for ScriptFragmentTest
acceptance

* comment hack
* adapt assertMessage
Merge pull request #177 from Catrobat/RemoveFooterFromBricklist

Remove footer from bricklist