code>dataDir</code> need to exist before you can create the core</span>

          </p>

          <p class="clearfix note error" ng-show="addMessage">
            <span>{{addMessage}}</span>
          </p>

          <p class="clearfix buttons">
            <button type="submit" class="submit" ng-click="addCore()"><span>Add Core</span></button>
            <button type="reset" class="reset" ng-click="cancelAddCore()"><span>Cancel</span></button>
          </p>

        </form>

      </div>

      <div cla