Use SVGKit's defaultImage function on iOS's UIViews.
Find files in bundles using NSBundle's URLForResource:withExtension: in SVGKImage's image loader from bundle function.
Make SVGKImage's cache functions that return items show what they're returning.
Define the NSStringFromCG* to NSStringFrom* macros in the prefix header on OS X.
Implement alignment mode in SVGTextElement.
Some minor work on SVGLength's description method.
Merge branch 'master' into arc