FIXED: renamed a parameter that prevented Objective-C++ files from linking SVGKit
ADDED: option on newCopyPositionedAbsolute to get all the sublayers of a CALayer, as well as the layer itself
Updated readme
ADDED/FIXED: Full support for SVG preserveAspectRatio='meet' (xMinYMin, xMidYMid, etc). NB: no support for SLICE yet
Merge remote-tracking branch 'svgkitmain/1.x' into osx/inital

Conflicts:
	Source/DOM classes/Unported or Partial DOM/SVGSVGElement.m
Add files added from the main fork.
Delete duplicate files.