General clean-up.
Modernizing code based on Xcode 5’s recommendations.
Merge remote-tracking branch 'svgkitmain/1.x' into cleanup

Conflicts:
	Source/Parsers/SVGKParser.m
Merge branch '1.x' into cleanup
Fix some leaks and bugs.
Merge branch '1.x' into cleanup

Conflicts:
	Source/UIKit additions/NSCharacterSet+SVGKExtensions.m
Merge branch '1.x' into cleanup
Made project build for all architectures (include arm64)
Fixed some memory leaks that the clang analyzer pointed out
Merge pull request #136 from cjhanson/1.x

Made project build for all architectures (include arm64) and memory issues
Merge branch '1.x' into cleanup
Some 64-bit fixes.
Found some headers that were being copied twice.
Merge branch '1.x' into osx/inital
Merge branch 'cleanup' into osx/inital
Disable image caching on OS X.
Some comment copying and modification.