cursor tool refactored
cursor tool test added
refactor cursor tool, use int for colors, get rid of if/else
Merge remote-tracking branch 'origin/master' into 8.89_refactor_cursor_tool
rename variables, add cursorToolTest which different color
cursor tool - clean code
change flip icons to correct order
Merge pull request #72 from Catrobat/8.89_refactor_cursor_tool

cursor tool refactored
Implementation: @schmidiM [MS]
Acceptance: @galstc05 [SG]