Uses Lanyon CSS
Stops automatic sidebar item generation.
Adds sidebar elements.
Uses theme.
Adds favicon.
Adds index page.
Adds variables in config file.
Rearranges folder structure.
Adds project pages.

The projets/index.markdown iterates all pages and retains only
the pages with `project_status` YAML variable.

Depending on `project_status` variable (either `current` or `old`),
it is categorized as current or previous project.
Adds publication page.
Changes URL reflecting the folder renaming.
Updates colophon.
Adds colophon item.
Adds image for clockwise.
Adds image for twitter project.
Adds project links to the home page