[Pam-developers] Syslog loglevel cleanup

In the attached patch I've attempted to clean up the log levels used a little bit. I am not saying these are all the changes that could/should be done but we can start with this patch. So please review only these changes for now and additional changes can be done in further patches. I tried to follow the MWG - memory allocation errors should be LOG_CRIT and errors induced by the authenticating user should be LOG_NOTICE. For the rest I just tried to somehow make them more reasonable. Mostly I am lowering the level but there are some cases where the level is raised too. It also addresses the https://fedorahosted.org/linux-pam/ticket/63 Please review, -- Tomas Mraz No matter how far down the wrong road you've gone, turn back. Turkish proverb (You'll never know whether the road is wrong though.)