/**
  * Remove the specified resource from storage.
  *
  * @param  int  $id
  * @return \Illuminate\Http\Response
  */
 public function destroy($id)
 {
     $project_image = Project_image::find($id);
     // get the project
     $project = Project::find($project_image->project_id);
     // delete
     $project_image->delete();
     // redirect
     \Session::flash('message', 'Successfully deleted the project_image!');
     return \Redirect::to("admin/project_images/{$project->id}");
 }