Substitute sub_owner too.
Consider sub_owner when checking for unused owner.
Added [CheckChangesHasContent]
Moved newpolicy.pl+.c to project Netspoc-Approve
check_service_unknown_owner = 0 (was 'warn')
Modified regex to please emacs perl-mode.
Again: show nat:(none) instead of nat: in error message.
Fixed check_subnet_nat.

Check all interfaces of zone, which may have different NAT settings.
Don't abort on topology with only a single network.
No duplicate warning for empty pathrestriction.
Fixed error handling for router with unknown model
Simplified and fixed handling of NAT inside zone.

- removed check_subnet_nat.
- find NAT domain inside zone by checking all border interfaces of zone.
- error, if we would get inconsistent {up} relation inside zone
Better runtime in find_subnets.
Expect path /usr/local/bin/cvs

Because we install a patched version of cvs with
#define SETXID_SUPPORT 1
Fixed duplicate ACL from unmanaged virt. interface
v3.029

  - Fixed duplicate ACL line from unmanaged virtual interface.
  - Fixed superfluous warning on unused owner.
  - Changed default: check_service_unknown_owner = 0 (was 'warn').
  - Minor fixes with NAT and minimal topology.
  - Moved programs newpolicy and newpolicy.pl to project Netspoc-Approve.