Remove the iOS platform target restriction from the DropboxBased sync classes.
Put in platform checks to import the proper Dropbox header.
Fix an incorrect platform-specific @class declaration.
Project updates to support the latest Dropbox SDK
Check for nil when doing equality testing and make sure not to insert nil into the dictionary.
Remove a deleted file reference.
Fix an incorrect delegate callback method signature for the DBRestClient copy file request.
Merge branch 'develop' of github.com:nothirst/TICoreDataSync into feature/dropboxsdk

Conflicts:
	TICoreDataSync-iOS.xcodeproj/project.pbxproj
	TICoreDataSync/02 Primary Classes/DropboxSDK-Based Sync/Operations/TICDSDropboxSDKBasedDocumentClientDeletionOperation.m
	TICoreDataSync/02 Primary Classes/DropboxSDK-Based Sync/Operations/TICDSDropboxSDKBasedDocumentDeletionOperation.m
	TICoreDataSync/02 Primary Classes/DropboxSDK-Based Sync/Operations/TICDSDropboxSDKBasedDocumentRegistrationOperation.m
	TICoreDataSync/02 Primary Classes/DropboxSDK-Based Sync/Operations/TICDSDropboxSDKBasedWholeStoreUploadOperation.m
Merge branch 'feature/dropboxsdk' into develop
The Dropbox-based managers and operations are now compatible with Dropbox's Mac SDK.