Added gem.coffee
Squashed 'src/JS-Algebra/' changes from ea2ad4c..4ef0d86

4ef0d86 moved algebra.js output
3b0999f Removed unnecessary code in tests.

git-subtree-dir: src/JS-Algebra
git-subtree-split: 4ef0d865157bcb0cda33d004e7b10ced4f778890
Merge compilation changes from JS-Algebra.