Updated readme.
Merge pull request #961 from Phaiax/issue-bodyEnable

Body.enable only exists in Arcade physics, so move conditions concerning...
Merge pull request #960 from Phaiax/replaceRGBissue

replaceColor fix
Merge pull request #959 from woutercommandeur/dev

Add mouse wheel support
Merge pull request #954 from Phaiax/issue953-bodydebug

inverting debug getter result
Merge pull request #955 from Phaiax/issue952-p2bounds

P2 bottom world wall position fix
Merge pull request #956 from Phaiax/phaserdts-createcollisiongroup

createCollisionGroup -> public, included in .d.ts file
Merge pull request #910 from TatumCreative/dev

Fix null returns for play()
Merge pull request #912 from j0hnskot/onDecoded-patch

Fix for bug #906
Readme updates.
stopFullScreen has been changed to run against document instead of the canvas since the cancelFullScreen method is created on the document (thanks @j0hnskot, #863)
Merge pull request #925 from jonkelling/dev

Fix for issue #917, Physics.P2.Body#addToWorld
Merge pull request #958 from renatodarrigo/patch-2

Fix rawpad button array to support win and linux
Merge pull request #840 from villetou/WebAudioExternalNodeFix

Web audio external node fix
Merge pull request #939 from paperkettle/master

Adding a Phaser version of the PixelateFilter
Merge pull request #951 from sivael/dev

TileMap update performance
readme updates
Fixed Pixelate to pass jshint and be more in line with Phaser Filters.
Swapped the ScaleManager creation order in Game, so both start and stop fullScreen requests work now.
Key.duration wasn't set to zero after a Key.reset (thanks @DrHackenstein, #932)