Merge pull request #9 from clocklear/master

Adding hooks for 'beforeNext' and 'beforeBack'
Add option to disable automatic scrolling.
Merge pull request #16 from tienvx/feat/disable_automatic_scolling

Add option to disable automatic scrolling.
Fix wording within onBack function

On back function does not successfully initialise. The function attempts to hook on "onPrev", it should be on "onBack".
Merge pull request #17 from imduffy15/master

Fix wording within onBack function
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
Remove "use strict" from minified js

D'oh, I had accidentally forgotten to re-comment-out "use strict"
before minifying the js yesterday. This fix removes "use strict"
from the minified js.
Merge pull request #21 from ms-ati/fix-remove-use-strict-from-minified-js

Remove "use strict" from minified js