Mark (currently) unused crash members as __unused to clean up analyzer warnings.
Update pods for Xcode 6, officially convert to XCTest.
Configure BuddySDK static analysis.
Update deprecated NSDateComponents properties.
Update BuddyStarter project for XCode 6.
Update PhotoGallery for Xcode 6

- Update MBProgressHUD source (fixes additional warnings).
Fix Xcode 6 / iOS 8 warnings for PushChat
Update RegisterLogin for Xcode 6.
Fix for implicit source pod warning.
Merge pull request #169 from BuddyPlatform/issue/warnings

Fix warnings in BuddySDK for Xcode 6