Issue #127: Crash failsafe
Fixes potential race condition
Issue #127: Removing compiler warning
Re-adding 'mergeChangesFromContextDidSaveNotification' method call. Maintaining fallback mechanism as well
Fixed error recovery when there's a version mismatch
Updated unit tests for latest changes to Core Data stack names
Fix change notifications not firing during indexing and reindexing
Made the button to swap the authentication screen between sign in and sign up more prominent
Issue #138: ASIHttpRequest compiler warnings
Fixes CLANG warnings
Issue #89: Small leak DiffMatchPatch.m
Issue #88: Fixes SFHFKeychainUtils leaks
Fixes all compiler warnings in DiffMatchPatch
Fixing CLANG warnings in DDFileLogger
Merge remote-tracking branch 'upstream/develop' into embedded-objects
Fixes warning in NSData+Simperium category
Merge remote-tracking branch 'refs/remotes/upstream/develop' into embedded-objects
Fix class check (|| --> &&)