Fix retain cycle (issue 1404)
Merge pull request #1458 from mirego/fix-issue-1404

Fix retain cycle (issue #1404)
Fix memory leak in iOS 5 and 6 when calling "- [NSCachedURLResponse data]"
Merge pull request #1459 from mirego/fix-memory-leak-ios

Fix memory leak in iOS 5 and 6
Merge branch 'refs/heads/restkit/development' into development