Automatically configures PAM module

The configuration is installed in libpam-module package postinst using
pam-auth-update. The provided configuration makes the module a no-op
though. New README.Debian file has been added to explain how to enable
the module then.
Manually create tmpfiles in daemons postinst
Add check_node_health.sh as ExecStartPre in slurmd
Add dbg packages for libs, binaries and plugins

New -dbg packages with debug symbols respectively for:

- libslurm27
- libslurmdb27
- slurm-client
- slurmd
- slurmctld
- slurmdbd
- slurm-wlm-basic-plugins
Move sacctmgr from slurmdbd to slurm-client
Debian Calibre8 release 14.03.9-3+c8+1