Added string resources
Added additional preferences button
Added additional dialog button
Added help strings for crop-tool
Adapted old RectangleFillTool to new architecture
Included the possibility to generalise this tool into a form tool in the future
Finished rectangle fill tool
Fixed rotation bitmaps bug for different scene sizes
Made rotation arrows visible even when bitmapColor= transparent
Reverted change due to problem with eraser
Fixed testcase for preferences
First part of test cases for the filled rectangle class
Added additional test case and tried to fix the last one
Finished test cases for rectangle fill tool
Fixed last testcase
Fixed colour problems when user switches to filled rectangle from eraser tool
Deleted logging messages
Fixed issue
Added test cases for image presence
Added additional test case for upper toolbar image presence
Added additional test for image presence in toolbar
Reverted change because this is issue has already been fixed in another branch
Testcases are merged into the Filled_Rectangle branch for future usage
Merge branch 'I39_Change_Tool_not_working' into Filled_Rectangle
Deleted testcase due to redudancy