Add code highlight in readme
Added an option for enabling/disabling dragging and droppping images.
Changed the toolbar button selector from a to a, button, and input[type=button].
Merge branch 'buttons' of https://github.com/jordandh/bootstrap-wysiwyg
Merge branch 'images' of https://github.com/jordandh/bootstrap-wysiwyg
embedded non CDN external libs for demo