fix lint problems

src/common/DragListener.ts

@@ -162,7 +162,7 @@ export default class DragListener {
     let globalEmitter = GlobalEmitter.get()
 
     if (this.skipBinding) {
-      ;
+      //
     } else if (this.isTouch) {
       this.listenTo(globalEmitter, {
         touchmove: this.handleTouchMove,

src/component/interactions/ExternalDropping.ts

@@ -12,12 +12,12 @@ import Interaction from './Interaction'
 
 export default class ExternalDropping extends Interaction {
 
+  static dataAttrPrefix: string = ''
+
   dragListener: any
   isDragging: boolean = false // jqui-dragging an external element? boolean
 
 
-  static dataAttrPrefix: string = ''
-
   // Given a jQuery element that might represent a dragged FullCalendar event, returns an intermediate data structure
   // to be used for Event Object creation.
   // A defined `.eventProps`, even when empty, indicates that an event should be created.