fix ma so that the setup command is folded into the other commands, so

fix ma so that the setup command is folded into the other commands, so
it's never needed to be run manually, and can therefore be supressed
in the usage/documentation.  Also, add setup to the postinst script so
that it's setup on installation.
Also add pipefail to ma, and try to supress unnecessary gpg output,
and redirect other to log debug.