Breadcrump draft
Breadcrump draft 2, supports some content
Fixed bfs
added menu buttons in home page for the degrees of separation between authors
Put test to visualise graphs with Ubigraph to check if bfs results are legitimate
Merge remote-tracking branch 'vasilis/master'
Merge remote-tracking branch 'chairepetis/master'
picture for the dof main menu button
Merge remote-tracking branch 'chairepetis/master'
Hopefully bfs is now correct