appdata: cannot use cifs or sshfs

Fixes #827

dashboard/src/views/app.html

@@ -973,6 +973,7 @@
             <p ng-bind-html="'app.storage.appdata.description' | tr:{ storagePath: ('/home/yellowtent/appsdata/' + app.id) }"></p>
             <form role="form" name="storageDataDirForm" ng-submit="storage.submitDataDir()" autocomplete="off">
               <select class="form-control" ng-model="storage.location" ng-options="location.displayName for location in storage.locationOptions track by location.id"></select>
+              <p class="text-warning" ng-show="storage.location.type === 'volume' && storage.location.mountType === 'mountpoint'" ng-bind-html="'app.storage.appdata.mountTypeWarning' | tr"></p>
 
               <br/>
 
@@ -985,6 +986,7 @@
               <input class="ng-hide" type="submit" ng-disabled="!storageDataDirForm.$dirty || storageDataDirForm.$invalid || storage.busyDataDir || app.error || app.taskId"/>
             </form>
           </div>
+
         </div>
         <div class="row">
           <div class="col-md-12 text-right">