Merge branch 'development' of github.com:valor-software/ng2-file-upload into development

components/file-upload/file-drop.directive.ts

@@ -8,7 +8,7 @@ export class FileDropDirective {
   @Output() public fileOver:EventEmitter<any> = new EventEmitter();
   @Output() public onFileDrop:EventEmitter<File[]> = new EventEmitter<File[]>();
 
-  private element:ElementRef;
+  protected element:ElementRef;
 
   public constructor(element:ElementRef) {
     this.element = element;
@@ -61,16 +61,16 @@ export class FileDropDirective {
     this.fileOver.emit(false);
   }
 
-  private _getTransfer(event:any):any {
+  protected _getTransfer(event:any):any {
     return event.dataTransfer ? event.dataTransfer : event.originalEvent.dataTransfer; // jQuery fix;
   }
 
-  private _preventAndStop(event:any):any {
+  protected _preventAndStop(event:any):any {
     event.preventDefault();
     event.stopPropagation();
   }
 
-  private _haveFiles(types:any):any {
+  protected _haveFiles(types:any):any {
     if (!types) {
       return false;
     }