Added resource information to me.loader.onProgress and the LOADER_PROGRESS event.

me.loader.onProgress and LOADER_PROGRESS are now informed of which resource was loaded, just like me.loader.onError knows which one failed to be loaded.
Merge pull request #338 from Warpten/1.0.0-dev

Added resource information to me.loader.onProgress and LOADER_PROGRESS
updated Changelog
[#266] further completed the new `me.Color` class by adding a `toRGB`, `toRGBA` and hex parsing functions
[#266] Used `me.Color` objects for the fadeIn/Out effect and direcrly apply the tween on the color alpha value
[#266] updated test unit
[#266] directly define the cache list as a var instead of using a function
Simplified the `me.video.clearSurface` function and use `toRGBA` for the camera fadeIn/Out effect
removed the previous support for the proprietary map `background_color` property since Tiled now define an official one
[#266] removed the now deprecated `me.utils.HexToRGB` function
[#266] added a `equals` and `setColor` function
Enabled the use of `me.Color` through object pooling
Removed the now deprecated `me.utils.RGBToHex` function
CHANGELOG update
Merge branch '1.0.0-dev' into ticket-103-clean