Commit @c9073d2 broke Rectangle.intersects by replacing min's with max's. This fixes Rectangle.intersects to work correctly again.

I also improved the clarity of the code by replacing inline recalculations with calls to existing properties.
Merge pull request #265 from purplepwny/intersects_fix

Commit @c9073d2 broke Rectangle.intersects by replacing min's with max's
Merge remote-tracking branch 'upstream/master'
give setTint ability to animate all (R,G,B) at once, with optional easing