Update pod spec to reference v2.2
Only fetch once when calling `+ (NSFetchedResultsController *) MR_fetchAllSortedBy:(NSString *)sortTerm ascending:(BOOL)ascending withPredicate:(NSPredicate *)searchTerm groupBy:(NSString *)groupingKeyPath;`
Added safety check for malloc return
Added support for CocoaPods detection of cocoalumberjack
Fixed cleaning up incompatible stores not working when WAL is being used
Update the podspec to new specifications and make it pass `spec lint`
Removed some compile warnings from new compiler
catching some merge errors
Merging custom sort orders in fetches
MR_truncateAllInContext should behave like MR_deleteAllMatchingPredicate

[request setReturnsObjectsAsFaults:YES];
[request setIncludesPropertyValues:NO]
Merge branch 'develop' of github.com:magicalpanda/MagicalRecord into develop

Conflicts:
	MagicalRecord.podspec