Set BuildLevel() to use Unity Resources

If we want to load a level from xml, we can't use a loose file and have
it work after Building into an exe or app or w/e. As long as the xml
file is in the project's Resources folder, passing the name (sans
extension) into BuildLevel should successfully load the level after
creating a runnable application.
Framerate to player speed normalization

At a framerate calculator to runtime in order to generate a ratio to
multiply by the player's speed. This normalizes the speed to act as if
the FPS is 30.
Merge pull request #7 from Silarn/master

3/10 Update