Update event.py
Revert event.py
fix cstorage.conf file reading
fix connexion between replica-sets and cstorage
update: externals containing the fix for mongodb beaker and replicat sets
remove: unused dirty hack in amqp2engines
md5 digest cleaner in entities
fix: don't let canopsis user written in the code

The file canohome/lib/common.sh is sourced at the very beginning of build-install.sh
The variables HUSER and HGROUP are defined, and must be used in packages control files.
fix: execute update_pylibs as canopsis user in python-libs package control file
fix: don't use hard coded PATH
fix: execute update_pylibs as canopsis user in ubik package control file
fix: execute update_pylibs as canopsis user in rabbitmq-server package control file
fix: execute update_pylibs as canopsis user in celery package control file
fix: execute update_pylibs as canopsis user in celery package control file
fix: execute update_pylibs as canopsis user in python-libs package control file
fix: execute update_pylibs as canopsis user in pyperfstore2 package control file
fix: run command using $HUSER variable instead of hard coded "canopsis" in rabbitmq-server-conf package control file
fix: run command using $HUSER variable instead of hard coded "canopsis" in rabbitmq-server-conf package control file
improve: replace @PREFIX@ with $PREFIX in supervisord.conf
improve: replace @PREFIX@ with $PREFIX in python-logging.conf