Fix TCP reassembly vulnerability.

Security:	FreeBSD-SA-14:08.tcp
Security:	CVE-2014-3000
Approved by:	so
Add pkg bootstrapping, configuration and public keys. [EN-14:03]
Improve build repeatability for kldxref(8). [EN-14:04]

Approved by:	so
Fix sendmail improper close-on-exec flag handling. [SA-14:11]

Fix ktrace memory disclosure. [SA-14:12]

Fix triple-fault when executing from a threaded process. [EN-14:06]

Approved by:	so
Fix OpenSSL multiple vulnerabilities.

Security:	CVE-2014-0195, CVE-2014-0221, CVE-2014-0224,
		CVE-2014-3470
Security:	SA-14:14.openssl
Approved by:	so