Convert Sparkle to ARC, take three.
Merge branch 'master' into ARC
Merge branch 'master' into ARC
Force Xcode to use spaces on source code files.
Merge branch 'master' into ARC
Fix a release bug.
Merge branch 'master' into ARC
Added missing string
Added localized string comments
-f works as || true
Use tarball to reduce distribution size by 70%
Merge branch 'ARC' of https://github.com/MaddTheSane/Sparkle

* 'ARC' of https://github.com/MaddTheSane/Sparkle:
  Fix a release bug.
  Force Xcode to use spaces on source code files.
  Convert Sparkle to ARC, take three.
Make the setTestFeedURL test run.

I think the test framework saw `setTestFeedURL` as a setter. This change changes it to `testSetTestFeedURL`, which will run as a test.

And for some odd reason, crashes.
Merge pull request #361 from MaddTheSane/patch-1

Make the setTestFeedURL test run.
Turn off some extremely tough ARC warnings.
Add missing __autoreleasing attributes.
Add missing __unused attributes.
Retain delegate for duration of the function
Always release cfError
Use noErr constant of OSStatus