FlxSprite: consistent naming for the "load-graphic"-functions

loadFromSprite() -> loadGraphicFromSprite()
loadImageFromTexture() -> loadGraphicFromTexture()
loadRotatedImageFromTexture() -> loadRotatedGraphicFromTexture()
Merge branch 'dev' of https://github.com/HaxeFlixel/flixel into spriteGraphic

Conflicts:
	flixel/FlxSprite.hx
Fix copy paste error
Make all FlxPoints of FlxObject and FlxSprite (default, null)
Merge pull request #850 from Gama11/FlxPoint

Make all FlxPoints of FlxObject and FlxSprite (default, null), closes #818
Merge pull request #845 from Gama11/spriteGraphic

FlxSprite: consistent naming for the "load-graphic"-functions
Optimize sound asset embedding, #523

also turned the callback of LogStyle from Dynamic into Void->Void
LogFrontEnd compile fix
FlxSprite.setGraphicSize(): remove UpdateHitbox param
Optimize asset embedding, closes #523
Update CHANGELOG.md
Some fixes for the asset optimization
Some more fixes for asset embedding
Update CHANGELOG.md
LogFrontEnd: avoid reflection
Fix FlxSlider error()
Update CHANGELOG.md
Update CHANGELOG.md
FlxSprite.flipped: remove misleading description