Removed Quick Start tab from Nav
Merge branch 'develop' of https://github.com/mimic84/bootstrap-cdn into mimic84-develop

Conflicts:
	views/_partials/header.jade
social.jade: show everything in all resolutions.
social.jade: use the protocol relative URL.
Merge pull request #446 from MaxCDN/mimic84-develop

Removing QuickStart tab.
Merge pull request #449 from XhmikosR/develop

Minor tweaks for social icons
Minor JS cleanup.
Update Google Analytics code.
extras_popular.jade: Tweak progress bars.
Lowercase var names.
Add a warning for Internet Explorer <= 8.
Merge pull request #451 from XhmikosR/develop

Update Google Analytics code.
Merge pull request #452 from XhmikosR/js

Minor JS cleanup.
Merge pull request #453 from XhmikosR/progress-bar

extras_popular.jade: Tweak progress bars.
Merge pull request #454 from XhmikosR/lowercase

Lowercase var names.
Merge pull request #455 from XhmikosR/warn-old-IE

Add a warning for Internet Explorer <= 8.
extras_popular.jade: Add jQuery Tablesorter plugin.

This allows us to sort the table.
Disable sorting for the empty `th`.
Add Bootstrap theme.