Update Podspec for Dropbox-Sync-API-SDK 3.0.0
Update Podspec for Dropbox-Sync-API-SDK 3.0.0

andygeers/ParcelKit,overcommitted/ParcelKit,andygeers/ParcelKit,andygeers/FirebaseParcelKit,overcommitted/ParcelKit,andygeers/FirebaseParcelKit,andygeers/ParcelKit,overcommitted/ParcelKit