Allow domains with different mcs levels to send each other signals as long as they are not identified as mcsconstrainproc
    Allow shutdown to write utmp and search /var/log
    Allow mozilla_plugin to send nsplugin signals
    Split out samba_run_unconfined_net from unconfined_domain stuff.  TO allow unconfined.pp module to be removed
    Allow nrpe to send signal and sigkill to the plugins
    Fix up xguest to allow it to read hwdata and gconf_etc_t
    Allow initrc_t to manage faillog