Update dev-deps
Use navigator.mozId instead of navigator.id
Commit from Mozilla Verbatim by user brnet00@gmail.com.: 72 of 72 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user brnet00@gmail.com.: 72 of 72 strings translated (0 fuzzy).
Commit from Mozilla Verbatim by user brnet00@gmail.com.: 72 of 72 strings translated (0 fuzzy).
Merge branch 'master' of github.com:mozilla/spartacus
Fix tests

Conflicts:
	public/js/lib/utils.js
Merge pull request #163 from muffinresearch/upgrade-dev-deps

Upgrade dev deps
Upgrade to Express 4