Make the default SVG string be in its own file.
Make the fast image views create an SVG using the default SVG string if no image is passed to it.
Reference the static default SVG string directly instead of storing it to a temporary string.
Adding a warning to OS X's SVGKFastImageView.
Merge branch 'master' into arc

Conflicts:
	Source/AppKit additions/SVGKFastImageView.m