Update to `Phaser CE v2.8.3`

[Vrakfall]

Here as a self-reminder to update to Phaser CE v2.8.3.

[lastpeony]

hey im waitin for phaser 3

[Vrakfall]

I'll update it as soon as I've got time, but it is a rare resource for me nowadays. The problem is I don't have a quick way to test the package before publishing it so I need to set up one back.

[cramrov]

@Vrakfall, phaser 3 please! ;)