Build: Upgrade Grunt and associated dependencies

Replaces QUnit submodule with node module.
Removes watch task.

Closes gh-68
Build: Initial mailmap
Build: Get QUnit from Bower
Build: Fix linting of Gruntfile
Build: Update authors
Build: Upgrade to QUnit 1.14.0

Temporarily disable failing test.

Ref gh-69
Build: Get jQuery from Bower
Test: Add jQuery 1.8.0 - 1.11.1
Test: Add jQuery 2.x
README: Update for newer builds

Use a newer version of jQuery in the example. No more submodules.
Tests: Fix mixed tabs/spaces jshint warning
Build: Update license

Closes gh-67