Migrate to ARC

[quinntaylor]

This project was originally written before ARC was introduced, and uses manual retain-release code. Moving to ARC allows for eliminating that code, which improves maintainability. In addition, code that currently deals with CoreFoundation types can (in most places) use CFBridgingRelease to transfer ownership to ARC and simplify that as well.

Do you want to eliminate non-ARC code or just add support for ARC?

[dbrisinda]

Is there any status on the migration to ARC?

[quinntaylor]

At the moment, no status. I'm extremely busy working on future releases of Xcode right now.

At the very least, I will remove GC support, and probably migrate to ARC-only. Since MRR and ARC code can intermingle, this should not be an issue.