Fix picking coordinates in 2D when map is rotated.
Add tests for picking and handling mouse input when 2D map is rotated.
Merge branch 'master' into pickCoordinates2D
Merge branch 'master' into pickCoordinates2D
Merge branch 'master' into pickCoordinates2D
Merge pull request #1359 from AnalyticalGraphicsInc/pickCoordinates2D

Pick coordinates in 2D