Create FontasticIcons.podspec
Ignore AppCode files
Refactor rendering into layer subclass
Image methods, padding per axis, and retrieving icons by font name
Migrate image rendering to FIIcon category
Restore FIIconView#padding for backwards compatibility

Migrate X/Y padding to FIIconView#inset
Refactor rendering for customization
Autoload fonts when retrieving by name
Revert rendering back to CoreText

UIKit cannot render dynamically loaded CT fonts on iOS. CATextLayer cannot position algorithmically. Nominal support for CALayer#contentsGravity.
Merge pull request #8 from dnalot/patch-1

Refactoring and image output
Merging in from upstream.