adding btn-large class to the hero button
Adding option for bottom navbar & applying some styling
Hero area content is now *optionally* center-aligned (added option)
Cleanups on the stylesheets + a few comments
re-compiling css
Using .panel and .panel-heading for widgets

Better styling on Bootstrap 3
Better metadata formatting
using glyphicon-user instead of glyphicon-torso for compatibility
using glyphicon-time on metadata for compatibility
better tags formatting on metadata
fixed tags on metatags section when there are too many of them
Added comments link on the metadata
fixing metatags for screensizes < 768px and added conditional
Added background color in the caching function
css improvements