Replace posttrans sysinit scriptlet with a triggerpostun one (#636787) Fix and cleanup the setup-nsssysinit.sh script (#636792, #636801)
nss.spec prevents disabling of nss-sysinit on package upgrade - #636787 setup-nsssysinit.shc creates pkcs11.txt with correct permissions regardless of umask - #636792 setup-nsssysinit.sh reports whether nss-sysinit is turned on or off - #636801