[#54316310] Adding second blog article
[#54316310] Removing unnecesssary .html extension from blog articles
[#54316310] Lots of blog updates
 * Adding disqus
 * Adding social sharing widgets (WIP)
 * Created helper for caption boxes
 * Adding HtF blog post
[#54316310] Minor typo fix
[#54316310] Mentorship article
[#54316310] Adding CISPA post & cleanup
[#54316310] Adding mailchimp signup form
[#54316310] Switching to simpler (non-js) MC form
[#54316310] HTML for blog#index & typo fix
Merge branch 'blog' into image-gallery