Add some in-progress work on the header
Start conversion to Bootstrap: Import 3rd parties

* Import Bootstrap 3.0.1 and Font Awesome 4.0.3
Partial migration from Sass to Less

* Convert syntax
* Reorganize a bit
* Include Less Elements
Cleanup of hidden files
Partial Bootstrapification + Header

* Set up the import of Bootstrap and Font Awesome
* Start configuring bootstrap's variables
* Implement a mostly-done header; a few minor tweaks remain to do
* Reorg and tweaks
Rv accidental modification of 3rd party file
Only show the home menu item in the unfolded menu
Tweak header background and shadow
Experiment with bootstrap layout; in markup for now
Tweak small viewport toggles
Tweak layout for regular posts
Upgrade to bootstrap 3.0.2
Fix offsets for md and lg
fmt
Fix path to bootstrap JS after upgrade
Set up layout for landscape image posts

(in LESS file, not HTML)
Add summary to regular posts
Tweak layouts, move them into Less out of HTML
Add basic search box
Add default comments form, to be customized later