Make theme responsive

[crowbot]

Keep the look and feel, logos etc, but apply them over the core responsive stylesheets.

http://www.infoprovsechny.cz/

[wrightmartin]

I'll be looking at this this week.

Can we get a source file for the logo, or at least a transparent .png as the one on the current site is on a opaque background

[garethrees]

Moving from awaiting review to current sprint. Next action is to put it in front of them for comments.

[garethrees]

Superseded by #27