Restructure the rest of the LESS files
Add missing semi-colons on import statements
Separate the site-content and site-footer styles

Will be changed to an extend or mixin later
Add a better variable name for the orange separator border
Combine the two site-content CSS rules
Move content and footer media queries out of the media queries file
Responsive footer text

The text turns into one column and centers when width < 620px.

This commit also adds support for usage of .alignleft and .alignright
in the footer text.
Better responsive footer widget-areas

- Three columns turn into first two columns, then one column
- Two columns turn into one column
Remove alerts from the misc.less file, they're now in alerts.less
Remove header image IE styles to misc.less
Remove responsive image stuff from the header image as it's applied to all images by default
Move the header media queries to header.less
Add the topbar bottom height as a variable
Don't make the whole header clickable, just the site title
Remove references to .home-link
Add a link hover color for the site title
Update header styles

Minor changes. Mostly margins and the removal of unnecessary
(duplicate) stuff.
Update compiled CSS