RenderableDepot is now a reality!

Replacement for ReactorDepot.
Fix for filing out classes with no variables or superclass
Added TextLabel
Adds testing fonts in assets
Fixes to TextLabel
Several optimization for fonts

Now VRAM is not used for each new label
Added a way to handle errors in RootObject
TextLabel now validates textures in package
Minor fix
Merge branch 'bitfonts' of https://github.com/Itaros/gossip into Itaros-bitfonts