setting NiftyCanvasPainter and NiftyControl API cleanup
Horizontal- and VerticalAlignment classes renamed to HAlign and VAlign

this will be typed a lot and HAlign/VAlign reads well enough
fix: several improvements and fixes

Blendmode support added to BatchManager
ResoureLoader added to public API
NiftyTexture linear filtering now optional
VerticalAlignment -> VAlign renaming in methods
HorizontalAlignment -> HAlign renaming in methods
FontRendering fixed and examples extended