Remove special output for cf-promises in integer conversion
Remove useless banner
Disable users promises if either PAM library or utilities are not found
Merge pull request #1082 from dottedmag/cleanups/allow-no-users-promises

Cleanups/allow no users promises
Redmine#3283: implement ^tags protocol extension and getvariabletags+getclasstags functions
rename get*tags to get*metatags; adjust acceptance test