Merge branch 'master' of https://github.com/BabylonJS/Babylon.js

Conflicts:
	Babylon/Cameras/babylon.freeCamera.js
	Babylon/Cameras/babylon.freeCamera.ts

.travis.yml

@@ -0,0 +1,8 @@
+language: node_js
+node_js:
+  - "0.10"
+before_script:
+  - npm install -g gulp
+  - cd ./Tools/Gulp
+  - npm install
+script: gulp typescript