Changed CSS class "selected" to "active" in navbar, according to https://abcentric.net/display/f17b319c6d4b616a0d0a639e177969c6ae084248f1ee2bec9d8147c9291bf495@abcentric.net
Merge pull request #144 from omigeot/master

Changed CSS class "selected" to "active" in navbar...