Reindent.
Remove unneeded variable.
fontawesome.jade: It's "Font Awesome".
Use Jade syntax in more places.

This way everything is minified properly.

Note that the trailing spaces **are needed**.
Merge pull request #439 from XhmikosR/develop

Remove unneeded variable + reindent
Merge pull request #440 from XhmikosR/patch-1

fontawesome.jade: It's "Font Awesome".
Merge pull request #441 from XhmikosR/patch-2

Use Jade syntax in more places.
extras_popular.jade: Add jQuery Tablesorter plugin.

This allows us to sort the table.

TODO: Get rid of the empty `th`.
Disable sorting for the empty `th`.