Fix broken syslog, again (removed echo from stdout, fixed detection IP version).


git-svn-id: http://www.observium.org/svn/observer/trunk@4496 61d68cd4-352d-0410-923a-c4978735b2b8
isCli() -> is_cli().


git-svn-id: http://www.observium.org/svn/observer/trunk@4497 61d68cd4-352d-0410-923a-c4978735b2b8