/**
  * Run the migrations.
  *
  * @return void
  */
 public function up()
 {
     Schema::create('roles', function (Blueprint $table) {
         $table->increments('id');
         $table->string('name')->unique();
         $table->timestamps();
     });
     Role::create(['name' => Role::ADMINISTRATOR]);
     Role::create(['name' => Role::EDITOR]);
     Role::create(['name' => Role::AUTHOR]);
     Role::create(['name' => Role::CONTRIBUTOR]);
     Role::create(['name' => Role::SUBSCRIBER]);
 }