Refactored Tint component
Refactored Tint component

* `Tint.tintTopLeft` is now a normal property in RGB order, not a setter, and no longer passes through the `GetColorFromValue` function. This directly replaces the private property `_tintTL` which has now been removed.
* `Tint.tintTopRight` is now a normal property in RGB order, not a setter, and no longer passes through the `GetColorFromValue` function. This directly replaces the private property `_tintTR` which has now been removed.
* `Tint.tintBottomLeft` is now a normal property in RGB order, not a setter, and no longer passes through the `GetColorFromValue` function. This directly replaces the private property `_tintBL` which has now been removed.
* `Tint.tintBottomRight` is now a normal property in RGB order, not a setter, and no longer passes through the `GetColorFromValue` function. This directly replaces the private property `_tintBR` which has now been removed.
* The property `Tint._isTinted` has been removed as it's no longer required.

photonstorm/phaser,BeanSeed/phaser,spayton/phaser,spayton/phaser,BeanSeed/phaser,photonstorm/phaser