Includes widget to show and set map rotation.
Handle rotation in vector and raster renderers.
Ensure correct behavior of panning and zooming actions.
Drop compile-time defines for ARM and ANDROID, leaving only
the qreal based function to transform in place.
Update expected test results after eye comparison.
- Fix composer composition setup to near identical output of canvas->image (finally, expect for symbology, which still seems to be double-antialiased)
- Rebuild control images for composer->image output
