Merge pull request #3 from VinDuv/master

Added Debian packaging
add archlinux packaging
Changes in hidden_word module and a big change in the init of modules
Merge branch 'master' of https://github.com/pipoteam/pipobot-modules
Little changes in cmdalacon
fix module canal (will not fail if a show is not available)
fix the edition of tags in mpd module (change of lib : now uses mutagen)
fix kick module
add default option for mpd (:mpd == :mpd current)