Link to CFP app. Fixes #19.
Blog entry for CFP announcement. Fixes #23.
Merge remote-tracking branch 'origin/cfp_announcement'
Rebuild the site

* List Styling inside blog articles.
* Styling for `<strong>` elements.
* Link to CFP app
* Blog entry for CFP announcement.
Fix the blog feed XML

Set the correct path and avoid rendering a layout.

Fixes #22.
Fix CFP deadline date.
Rebuild the site with proper CFP deadline.
The atom xml feed id must be an full URL
Merge pull request #24 from damphyr/master

Avatars
Add (placeholder) avatar for giorgostsiftsis
Add (placeholder) avatar for vvatikiotis
Add avatars in organisers section
Merge pull request #25 from damphyr/master

Media sources for avatar images
vvatikiotis avatar
Merge branch 'master' of https://github.com/damphyr/site