Merge pull request #194 from ProG4mr/flixelNME

FlxPhysSprite and FlxPhysState small amends:
Merge remote-tracking branch 'origin/dev' into flixelNME
Merge remote-tracking branch 'origin/dev' into flixelNME
first commit. nothing is working
mostly renaming methods
Fixing keyboard input issues with cpp targets.
Merge commit 'c2f3812bb8c157a4a4459345df9875da6c9773c6' into haxe3
Merge commit '448012fc9d2112fa7d02653f887641f0c4a7d05c' into haxe3
Merge commit '678065c7c21109621f4bce3d3dd3dbc22a08a2c7' into haxe3