Updated method definition for Phaser.Group.AddAll() - phaser.d.ts
Updated method definition for Phaser.Group.AddAll() - phaser.d.ts

Describe the changes below:
As mentioned in post issue#45 , these two parameters (checkAlive:boolean, checkVisible:boolean) should be optional,, in case they're not provided when calling the method , they're implicitly set to falseanyway while calling Phaser.Group.setAll() method afterwards.
natlot/phaser-ce,MasahiroWard/MVPgamedev,SHOCK122/systole,MasahiroWard/MVPgamedev,yupaul/phaser-ce,SHOCK122/systole,Acaki/WWW_project,adamlabadorf/bobodyssey,photonstorm/phaser-ce,adamlabadorf/bobodyssey,samme/phaser-ce,photonstorm/phaser-ce,natlot/phaser-ce,samme/phaser-ce,natlot/phaser-ce,Acaki/WWW_project,yupaul/phaser-ce,samme/phaser-ce,SHOCK122/systole,MasahiroWard/MVPgamedev,yupaul/phaser-ce,natlot/phaser-ce,Acaki/WWW_project,photonstorm/phaser-ce,photonstorm/phaser-ce,yupaul/phaser-ce,adamlabadorf/bobodyssey,MasahiroWard/MVPgamedev