add code snippet div to home index page
WIP ajaxing the codesnippet once the link is clicked
WIP CodeSnippet.init() will append code-snippet div with content from link
WIP populating the code snippet iframe divs
WIP CodeSnippet js
added widget.js
new file:   app/assets/images/javascripts/widget.js

update js to render string of html code for user to paste to use the widget
modified:   app/assets/javascripts/home.js

add id take to <a> links so that id can be passed to the view
modified:   app/views/home/_search_results.html.erb