Fixed Bugs/Additional Work

-Username was always set to full lowercase (originally because of email addresses input)
-Some of the tiles on the home page wouldn't show any body text because of the HTML sanitzation.
-Better repsonsiveness layout of the text in the home page tiles
-Mobile registration links at top listed "Register", corrected to "Login".
-Removed extraneous comments in register.html and login.html about links not working even though they do at this point.
-Added RSS feed
-Added social buttons to the ViewPost pages.
-Added comments system as per requirements
-Resolved bug when deleting posts with associated comments
-Resovled login-related bug that could prevent an owner from editing/deleting their own posts
-AJAX updating works across the site now (when posts are created/updated/deleted, authors register, comments are created)