Update skinning with more flexible theme module

resources/views/layouts/default/flights/index.blade.php

@@ -1,4 +1,4 @@
-@extends("layouts.${SKIN_NAME}.app")
+@extends('app')
 @section('title', 'flights')
 
 @section('content')
@@ -6,18 +6,18 @@
     @include('flash::message')
     <div class="col-md-9">
         <h2 class="description">flights</h2>
-        @include("layouts.${SKIN_NAME}.flights.table")
+        @include("flights.table")
     </div>
     <div class="col-md-3">
-        @include("layouts.${SKIN_NAME}.flights.search")
+        @include("flights.search")
     </div>
 </div>
 <div class="row">
     <div class="col-12 text-center">
-        {{ $flights->links("layouts.${SKIN_NAME}.pagination.default") }}
+        {{ $flights->links("pagination.default") }}
     </div>
 </div>
 @endsection
 
-@include("layouts.${SKIN_NAME}.flights.scripts")
+@include("flights.scripts")