Tiny docs improvements

Docs fixes, almost got rid of the globals

massive jsdoc fixes

update alvin/dev with dev

More docs !

Added usage example on some files and tweaked the MovieClip class

Added texture Rotation to canvas renderer

Filters now working within renderTexture

docs, more on graphics, plus particles and textures

alpha tweak for renderTexture

Canvas render update ...

fixed cachasbitmap
fixed interaction

removed sneaky console.log

Fixed trimmed texture issue

added fromFrame to texture

fixed res on render texture webGL

More resolution tweaks for WebGL

tweaked texture resolution for webGL ...

still needs fixing for Canvas

normalize constants to all be caps

linted code

update cacheAsBitmap ...

fasterer..

added param doc to texture

RenderTexture tidy up

Rotated Textures now working in webGL

fix some braces

use texture uvs for rotating textures

added power of two check on texture load

cachAsBitmap returns! ...

fixed destroy function for render texture
added cacheAsBitmap

Tweaked perminently bound functions

_glTextures should be an array. Avoid GC in handleContextRestored

initial texture rotation support