Add blurb about Helpshift to end of page.

    * remove editor's note from individual posts
Added post on MongoDB talk by @greenmango at Rootconf
Typo fix
Blog post on Topic Modeling
Small edit to the Title
Changed Meta information for last 2 posts
Add Google Tag Manage and remove GA script
Talk on using Clojure for Functional Testing
Initial commit for Pycon Fuconf
Final commit for Pycon Fuconf