fixed powersupply test for MDS, added more debug info on DriverManager
erge branch 'development' of ssh://opensource-stash.infn.it:7999/chaos/chaosframework into development
fix the driver class filed in std::string

Signed-off-by: Claudio Bisegni <Claudio.Bisegni@lnf.infn.it>
update to new mongodb driver and ported the conf_file parameter to the common layer

Signed-off-by: Claudio Bisegni <Claudio.Bisegni@lnf.infn.it>