public function store(Request $request)
    {
        Activity::create( $request->all() );
        $imgid = Activity::all()->last();
        if(Input::hasFile('files')){
            foreach(Input::file('files') as $file){
                $imageName = rand();
                $imageSur = $file->getClientOriginalExtension();
                $nameimg = $imageName.'.'.$imageSur;
                $file->move(base_path() . '/public/img/', $nameimg);
                $img = new Image;
                $img->image_name = $nameimg;
                $img->activities_id = $imgid->id;
                $img->save();
                echo base_path();
            }
        }

        return redirect('/activity');
    }