[client] minor --verbose display update to say source port is 'OS assigned' when not otherwise set
Fixed gpl2.0.texi to make it build.

 The @appendixsubsec entries are substituted by @appendixsec entries.
Merge pull request #80 from fjoncourt/fix-gpl2.0

[FTBS] Fixed gpl2.0.texi
Merge branch 'master' of github.com:mrash/fwknop
updated client and server man page material
[server] port list memory leak bug fix for OpenBSD/pf and FreeBSD/ipfw firewall interface code found by Coverity
[test suite] added client -f firewall timeout tests
[client] finished documenting client command line options via the man page
[test suite] added 'equal keys' files
Merge remote-tracking branch 'upstream/master'