nitdoc: clean useless console.log on body click event

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>
nitdoc: add support for Piwik tracker

Signed-off-by: Alexandre Terrasa <alexandre@moz-code.org>
nitdoc: use pratchett.info.uqam.ca/piwik/

Signed-off-by: Jean Privat <jean@pryen.org>
Merge branch 'nitdoc'