margin spacing added between cards on home page
Merge pull request #14 from livienyin/master

Position styling added to homepage thumbnails/cards
Merge pull request #15 from miclowe/master

Re-add tag_list to index and content detail pages
added live rendering to home index page
added js and css for live rendering index home
added search results page with live render as well as live render for content details
Completed Gravatar image link and corrected tags on user profile page