Unbundle libs.

PR:		ports/194029
Submitted by:	Jan Beich

Also, don't extract the third-party directory if we're not using it here.

Submitted by:	mi
- Document sysutils/rsyslog vulnerabilities CVE-2014-3634

Reviewed by:	bdrewery@
- Update sysutils/rsyslog7 to 7.6.6 [1] and sysutils/rsyslog8 to 8.4.1 [2] to fix CVE-2014-3634 [3].

1: http://www.rsyslog.com/changelog-for-7-6-6-v7-stable/
2: http://www.rsyslog.com/changelog-for-8-4-1-v8-stable/
3: http://www.rsyslog.com/remote-syslog-pri-vulnerability/

Reviewed by:	bdrewery@
Security:	8e0e86ff-48b5-11e4-ab80-000c29f6ae42
Bump revision missed in r368803
Bump revision missed in r368803