Convert project to ARC.
Merge branch 'master' into arc

Conflicts:
	SVGKit-OSX.xcodeproj/project.pbxproj
	Source/DOM classes/Unported or Partial DOM/SVGGradientElement.m
	Source/Parsers/SVGKParser.m
Update the source to use Modern Objective-C syntax, as of Xcode 4.6.
Ported the iOS SVGKit to ARC and modern syntax.
Set the deployment target of the OS X project to 10.6.
Change the weeks to unsafe_unretained to work with the deployment target of the iOS project.
Merge branch 'master' into arc

Conflicts:
	Source/SVGKImage.h
	Source/SVGKImage.m
Make the code be ARC-compatible again.
Merge branch 'master' into arc

Conflicts:
	Source/DOM classes/Core DOM/Attr.m
	Source/DOM classes/Core DOM/CSSStyleDeclaration.m
	Source/DOM classes/Unported or Partial DOM/SVGGroupElement.m
	Source/DOM classes/Unported or Partial DOM/SVGSVGElement.h
	Source/DOM classes/Unported or Partial DOM/SVGSVGElement.m
	Source/DOM classes/Unported or Partial DOM/SVGTextElement.m
	Source/Exporters/CALayerExporter.h
	Source/Parsers/Parser Extensions/SVGKParserPatternsAndGradients.m
	Source/Parsers/Parser Extensions/SVGKParserSVG.m
	Source/Parsers/Parser Extensions/SVGKParserStyles.m
	Source/SVGKImage.h
	Source/SVGKImage.m
	Source/SVGKSource.h
	Source/SVGKSource.m
	Source/Shared Additions/NSCharacterSet+SVGKExtensions.m
Making the code once again ARC-compliant for OS X.
Merge branch 'master' into arc
SVGKit uses classes that aren't available on 10.6, setting the deployment target to 10.7.
Merge branch 'imageRep' into arc

Making the ImageRep bundle be an ARC bundle.
Conflicts:
	Source/Parsers/SVGKParser.m
Merge branch 'imageRep' into arc
Make the image rep use ARC.
Merge branch 'master' into arc

Conflicts:
	Source/DOM classes/Unported or Partial DOM/SVGGradientElement.m
Merge branch 'imageRep' into arc
Making the image rep use modern syntax.
We don't need to define ivars: Objective C will do this for us automatically.
After looking at the code, defining the variables of ExportPathCommandsContext as copy wasn't the best idea.
Merge branch 'imageRep' into arc

Conflicts:
	Source/ImageRep/SVGKitImageRep.m
	Source/SVGKImage.m
Merge branch 'imageRep' into arc
Make SVGUtils be exempt from ARC. This is needed for the CGColor hack.
Merge branch 'imageRep' into arc