Split task options into their own files using load-grunt-config.
issue#661 update state before values are cleared

this prevent loosing state values related to physics bodys
and inputs before `state.update` is called.
Renable input on Phaser.Image fix
Added Phaser.Point.centroid function.

Added static Phaser.Point.centroid function to calculate the centroid or midpoint of an array of points.
Updated Phaser.Point.centroid function.

Performance boosts and bugfix with averaging.
Update Point.js
Update Point.js
Added positionUp to Pointer
Renable input on Phaser.Image fix
Renable input on Phaser.Image fix
Rounded lineJoins for text stroke
Rounded lineJoins for text stroke
Merge pull request #677 from nickryall/dev-text

Fix for 'jagged' strokes on custom fonts.
Merge pull request #676 from Cryszon/pointerPositionUp

Added positionUp to Pointer
Merge pull request #675 from lewster32/dev

Added Phaser.Point.centroid function.
Tidied up Sound.js
Added Pointer.positionUp which records the last point at which the pointer left the screen / was raised (thanks @Cryszon ,#676)
Phaser.Point.centroid static function added to calculate the centroid or midpoint of an array of points (thanks @lewster32, #675)
Updated docs to specify callback parameter order (#667)
Merge pull request #662 from ralphsmith80/master

issue#661 update state before values are cleared