FollowPlayerScript Mouse Rotation

Updated FollowPlayerScript with mouse drag-rotation with hangtime, allowing player to look around freely. Camera will center again after set seconds after mouse is released.

![rot](https://f.cloud.github.com/assets/1735592/2270967/b0627bbc-9ef4-11e3-82c0-182273672488.JPG)

Also cleaned up indentation to match the rest of the project.