Renamme export extension .ocs to .xml (local export of computer inventory). closes #2496
drop wildcard certificate test

Since version 1.976, IO::Socket::SSL reject wildcards for TLD, unless
SSL_verifycn_publicsuffix is disabled, rejecting our *.localdomain test
certificate.

see-also: #2483
Closes #2491: Use etime instead of stime on UNIX to prevent erratic STARTED value if no /proc filesystem is available
regenerate samples using new output format
drop linux-specific PID-based runtime retrieval