Adjust the other cfengine and cfengine-masterfiles ports CONFLICTS to
recognize the new cfengine sister ports.
Add cfengine and cfengine-masterfiles 310 to their respective metaports.
The ports are intended to provide a stable base policy for
installations and upgrades, and is used by CFEngine 3.6 and newer.
The ports install the repository as examples which should be copied by
the user to the masterfiles directory (usually /var/cfengine/masterfiles).