Added RenderLayer

RenderEngine.js - added action "RenderLayer" for complete rendering of layer
RenderEngine.js - added action "AddObjectsToLayer" for registering objects in render modules
Image renderer update

Layer.js - added support for layer id
LayerMaker.js - added support and autoset for layer id
ImageRender.js - added support for caching objects
ImageRender.js - added support for layer render
End of 0.00.0000-E task

AnimationRender.js - added ability to add objects to layer
AnimationRender.js - added ability to render layers
ImageRender.js - made objects push to layer on add
ImageRender.js - fixed incorrect var in doRenderLayer
index.html - updated test to new way of adding objects
Merge pull request #5 from CoreTec/0.00.0000-E

0.00.0000-E done