add karma to package dev deps
add karma-mocha, sinon, and chai to dev-dependencies
create karma config
rename karma config file
Set up test directory structure. Add sinon/chai compiled files for front-end tests. Add bootstrap files for both front-end and backend
Add test directive to Makefile
Remove commonjs precompilation from karma config; use vendor-built sinon/chai, test in FF, Safari, and Phantom as well as Chrome
Merge in master, fix package.json conflicts"

Conflicts:
	package.json
Make serve directive rely on less and browser directives
remove less and browser as make serve deps
Merge pull request #14 from jwerle/7-test-env

[#7] Setup test environment for front-end / back-end code