Support for bootstrap 3.
Change class in acc-wizard.less from bootstrap 2 to 3.
Change class in acc-wizard.min.css file to support bootstrap 3.
Minify js with support for bootstrap 3
git ignore local node_modules directory

We need to `npm install lessc`, for example, to compile the LESS
file, but the node modules should not be committed to git.
Merge fixes to bootstrap 3 support from gh-pages branch
Merge pull request #18 from ms-ati/port-master-to-bootstrap-3

Port to Bootstrap 3