Upgrade design to Minimal Mistakes.
Merge branch 'gh-pages' into new-design

Conflicts:
	_posts/2014-11-30-dynamic-dns-update-for-docker-containers.md
Updating font-awesome to latest version (4.2)
Tags and layout:

- Replaced "english" and "français" tags by "in english" "en français"
- Added Hopwork to bio
- replaced default images with mine
Adding tag cloud page
Merge branch 'gh-pages' into new-design

Conflicts:
	_posts/2014-11-30-dynamic-dns-update-for-docker-containers.md
Ignoring sample posts.
Fixed typo.
Better lists.
Removed paragraph indentation.