/// <summary>
        /// Connect Waveface to Dropbox
        /// </summary>
        /// <param name="quota"></param>
        /// <exception cref="Wammer.Station.Management.DropboxNoSyncFolderException">
        /// Dropbox sync folder does not exist
        /// </exception>
        /// <exception cref="Wammer.Station.Management.WrongAccountException">
        /// Link to inconsistent Dropbox account
        /// </exception>
        /// <exception cref="Wammer.Station.Management.DropboxNotInstalledException">
        /// Dropbox is not installed
        /// </exception>
        public static void ConnectDropbox(long quota)
        {
            try
            {
                if (!DropboxHelper.IsInstalled())
                {
                    throw new DropboxNotInstalledException("Dropbox is not installed");
                }

                string        folder = DropboxHelper.GetSyncFolder();
                CloudResponse res    = CloudServer.request <CloudResponse>(
                    new WebClient(),
                    StationMgmtURL + "cloudstorage/dropbox/connect",
                    new Dictionary <object, object> {
                    { "quota", quota }, { "folder", folder }
                },
                    true
                    );
            }
            catch (Cloud.WammerCloudException e)
            {
                ExtractApiRetMsg(e);

                throw;
            }
        }