Changed the architecture adding arm64, add ssl libraries compiled in arm64 and update the ownCloud library with a commit with support arm64
Resolved warnings related with arm64 follow the order of xcode
Added arm64 support to Download class
Added arm64 support to PrepareFilesToUploadClass
Added arm64 support to UploadFromOtherAppViewController Class
Added arm64 support to DeleteFile Class
Added arm64 support to MoveFile Class
Added arm64 support to FileListDBOperations Class
Added arm64 support to ManageFilesDB Class
Added arm64 support to ManageUploadRequest Class
Added arm64 support to RenameFile Class
Added arm64 support to ManageSharesDB Class
Added arm64 support to SelectFolderViewController  Class
Added arm64 support to Account Cell  Class
Added arm64 support to ManageNetworkErrors Class
Added arm64 support to ManageFavourites  Class
Added arm64 support to RecentViewController  Class
Added arm64 support to AccountsViewController Class
Added arm64 support to UIImage+Resize Class
Added arm64 support to FilesViewController Class