o Be more graceful with install/deinstall: handle situation
where man/ru_RU.KOI8-R exists prior to installation of this port,
i.e., it cannot be a symlink
o Protect configuration file with perms 0400
This is a followup commit to the following PR
PR: 29024
o PREFIX safeness
o hier(7) police: share/ipa/examples -> share/examples/ipa
o better deinstall:
- remove all pending directories
- more graceful removal of startup files
o deploy BSD_INSTALL_* var where appropriate
PR: 29024
Submitted by: maintainer
