FlxObject.onScreen() -> isOnScreen(), FlxSprite.simpleRenderSprite() -> isSimpleRender()

also made isSimpleRender() public
FlxSprite.bakedRotation -> bakedRotationAngle, closes #830
Keyword order change:

static public var
-> public static var
Keyword order change:

inline public static var
-> public static inline var
Keyword order change:

inline static private var
-> private static inline var
Keyword order change:

static private var
-> private static var
Add keyword order change to the change log file.
Merge pull request #846 from HaxeFlixel/keyword_order

Keyword order
FlxAngle.getAngle(): remove Round param
Add FlxSwipe and FlxG.swipes

A FlxSwipe has the following public fields: ID, startPosition, endPosition, distance, angle, duration
The ID is either the touchPointID of a touch or FlxMouseButton.LEFT, MIDDLE or RIGHT

Also includes a small cleanup for FlxTouch
Exposing `FlxTween.type`
Merge pull request #847 from SeiferTim/dev

Exposing `FlxTween.type`
Initialize FlxG.swipes at its declaration
FlxSprite.setColorTransformation() -> setColorTransform()
FlxMouse.destroy(): Add missing FLX_NO_MOUSE_ADVANCED conditional
Update CHANGELOG.md
SfxFader: Fix setting duration in new() and crossFade()
Merge pull request #840 from Gama11/boolReturn

FlxObject.onScreen() -> isOnScreen(), FlxSprite.simpleRenderSprite() -> isSimpleRender()
Merge branch 'dev' of https://github.com/HaxeFlixel/flixel into bakedRotationAngle

Conflicts:
	flixel/FlxSprite.hx
Resolve merge conflict