PAINT-18_respect_aspect_ratio tests added
code for respect_aspect_ratio added to BaseToolWithRectangleShape.java, tests work localy on physical device
added debug outputs
more debug output PAINT-33
solved issue, further testing due
removed debug output
isCorner check optimized, test works on two different physical devices, achieved by alternate bigger and smaller resizing
throwing IllegalArgumentException when MoveThread is started before initialization
Merge pull request #189 from Catrobat/PAINT-33_Touch_on_drawing_surface

Paint 33 touch on drawing surface
acceptance: @X4mp [ru]
implementation: @dladenhauf [dl]
Update README.md

added JIRA Bugtracker link to Readme
Merge pull request #190 from Catrobat/PAINT-18_respect_aspect_ratio

Paint 18 respect aspect ratio
accepted: @X4mp [ru]
implementation: @cbenkovic [cb], @AlexWieland [aw]
Merge branch 'master' into gsoc_layers