Update to use jasonmayes checkboxes

Using jasonmayes checkboxes which work in all modern browsers and IE9+ and mobile.
Update to use jasonmayes checkboxes

Updated CSS to use jasonmayes checkboxes styles
Supporting JavaScript for jasonmayes checkboxes

Added file for jasonmayes checkboxes
Added init for checkboxes script

Once DOM ready lets scan for checkboxes and make them beautiful :-)
Removed call to init()

Removed call to init() which must be called after DOM has loaded. Moved to main.js file.
Removed console.log()

Whoops. Accidentally left in from testing :-) Now removed.
Added break as others have done for h3

Added <p>&nbsp;</p> for h3 as others have done to create space between previous example.
Added classes to label checkbox demos

Added class to labels for checkbox demo to avoid conflict with other labels.
Added class to label selector to avoid conflicts

Added class to label selector to avoid conflicts with other labels.
Merge pull request #320 from jasonmayes/gh-pages

Updated code to use jasonmayes checkboxes