Gulp update

Tools/Gulp/gulpfile.js

@@ -149,6 +149,10 @@ gulp.task('scripts', ['shaders'] ,function() {
       '../../Babylon/Actions/babylon.interpolateValueAction.js',
       '../../Babylon/Actions/babylon.directActions.js',
       '../../Babylon/Mesh/babylon.geometry.js',
+      '../../Babylon/Mesh/babylon.groundMesh.js',
+      '../../Babylon/Mesh/babylon.instancedMesh.js',
+      '../../Babylon/Tools/babylon.gamepads.js',
+      '../../Babylon/Cameras/babylon.gamepadCamera.js',
     ])
     .pipe(concat('babylon.js'))
     .pipe(gulp.dest('build/'))