Sort out the navbar highlighting

I’ve moved the “about” layout code into its own layout, since it seems to
make more sense as far as the navbar is concerned.
Fix a couple of typos
Merge pull request #52 from andylolz/master

Remove index.html from the links to individual projects
Merge pull request #53 from andylolz/feature/navbar

Restructure layouts a bit, so navbar always highlights the right thing
[about][xs]: anchor link, add governance heading plus some bolding.
[theme][s]: add shuttleworth funded logo in more locations.
[about][s]: add faqs plus anchors.
Show only the 5 most recent blogs on the homepage

Fixes #54
added Michael Bauer member profile
Merge pull request #56 from andylolz/feature/limit-posts

Show only the 5 most recent blogs on the homepage - fixes #54.
Make a start at an “Add project” page
Add “principles” para to add project page
Add a link to all blog posts on the homepage.

I’m not much of a designer I’m afraid! Relates to #56
Merge pull request #57 from andylolz/feature/limit-posts

Add a link to all blog posts on the homepage.
Merge pull request #55 from andylolz/feature/add-project

Create an “Add project” page - fixes #48.