First MouseInteractionManager commit.
MouseInteractionManager :

- Class rename.
- Bugs fixed.
- Documentation added.

needs:

- FlxTouch support
- More testing
Sprite rotation support added - awesomeness.
Touch support added to MouseInteractionMgr, needs testing tho.
AddSpirte unshift() added.
Merge pull request #263 from crazysam/dev

Clarifying degrees-to-radians operation.
offset fix for FlxSpriteTex plus some code formatting regarding it
fix for FlxSprite's pixelsOverlapPoint() on non-flash targets
Merge pull request #260 from ProG4mr/flixelNME

MouseInteractionManager plugin added.
formatting and fix for non-flash targets for MouseInteractionMgr
fix for null Params arrays for callbacks in FlxButtonPlus
making joysticks hash private
pausing camera when the game is paused
preparations for haxelib release
Fixed tearing when camera scrolls with zoom
Merge pull request #266 from AndreiRegiani/dev

Fixed Tilemap tearing when camera scrolls with zoom
First pass functioning port to haxe3 (cpp target seems to not be working).