Revert "Merge branch 'develop' into rav/karma"

The karma tests don't pass yet, and aren't ready to land on develop.

This reverts commit 438453e61a, reversing
changes made to 50f94eb040.

test/test-utils.js

@@ -1,24 +0,0 @@
-"use strict";
-
-var q = require('q');
-
-/**
- * Perform common actions before each test case, e.g. printing the test case
- * name to stdout.
- * @param {Mocha.Context} context  The test context
- */
-module.exports.beforeEach = function(context) {
-    var desc = context.currentTest.fullTitle();
-    console.log();
-    console.log(desc);
-    console.log(new Array(1 + desc.length).join("="));
-};
-
-/**
- * returns true if the current environment supports webrtc
- */
-module.exports.browserSupportsWebRTC = function() {
-    var n = global.window.navigator;
-    return n.getUserMedia || n.webkitGetUserMedia ||
-        n.mozGetUserMedia;
-};