/**
  * Show the form for editing the specified ResearchGroup.
  *
  * @param  int  $id
  * @return Response
  */
 public function edit($id)
 {
     $researchGroup = ResearchGroup::find($id);
     $facultyList = Faculty::lists('name', 'id')->all();
     return view('admin.research_group.edit', compact('researchGroup', 'facultyList'));
 }