Now the whole maze is drawn into a big single one time and only the current view port is copied from this image into the canvas.

An instrument layer was added which includes an energy bar.
add build system

- use npm for build system package management
- use bower for app dependencies like jQuery
- use grunt for build automation
Merge pull request #1 from steinsag/jasmine

Add build system
Merge the EndlessGame branch into master
Correct errors which were include in merge.