Updating build tools with new file

collisionCoordinator was added to both the babylon XML and the gulp
file.

Tools/BuildOurOwnBabylonJS/BuildOurOwnBabylonJS/babylonJS.xml

@@ -106,6 +106,7 @@
   <script src="Babylon/Cameras/babylon.targetCamera.js"></script>
   <script src="Babylon/Cameras/babylon.camera.js"></script>
   <script src="Babylon/Collisions/babylon.collider.js"></script>
+  <script src="Babylon/Collisions/babylon.collisionCoordinator.js"></script>
   <script src="Babylon/Lights//Shadows/babylon.shadowGenerator.js"></script>
   <script src="Babylon/Lights/babylon.directionalLight.js"></script>
   <script src="Babylon/Lights/babylon.hemisphericLight.js"></script>

Tools/Gulp/gulpfile.js

@@ -78,6 +78,7 @@ gulp.task('scripts', ['shaders'] ,function() {
       '../../Babylon/Lights/babylon.directionalLight.js',
       '../../Babylon/Lights/Shadows/babylon.shadowGenerator.js',
       '../../Babylon/Collisions/babylon.collider.js',
+	  '../../Babylon/Collisions/babylon.collisionCoordinator.js',
       '../../Babylon/Cameras/babylon.camera.js',
       '../../Babylon/Cameras/babylon.targetCamera.js',
       '../../Babylon/Cameras/babylon.freeCamera.js',