MFH: r380090, r380096, r380101, r380109, r380142, r380547, r380888
MFH: r381889, r381911

• Update OpenH264 to 1.4.0
• Update NSS and ca_root_nss to 3.18
• Update Firefox to 36.0.4
• Update Firefox ESR and libxul to 31.5.3
• Update Thunderbird to 31.5.0
• Update SeaMonkey to 2.33.1
• Update Enigmail to 1.8
• Check if NS_NewNativeLocalFile() succeeds before using [1]
• Unbreak build when LOGGING option is disabled [2]
• Remove GIO description after r314893
• bsd.gecko.mk: Prune conditionals for files removed 4 months ago

Changes: https://github.com/cisco/openh264/releases/tag/v1.4.0
Changes: http://mozilla.6506.n7.nabble.com/ANNOUNCE-NSPR-4-10-8-Release-td332365.html
Changes: https://developer.mozilla.org/docs/Mozilla/Projects/NSS/NSS_3.18_release_notes
Changes: https://www.mozilla.org/firefox/36.0.4/releasenotes/
Changes: https://www.mozilla.org/firefox/31.5.3/releasenotes/
Changes: http://www.seamonkey-project.org/releases/seamonkey2.33/
Changes: https://www.enigmail.net/download/changelog.php#enig1.8
PR: 198090 [2]
Reported by: Piotr Kubaj <pkubaj@riseup.net> [2]
Reported by: Matthew D. Fuller <fullermd@over-yonder.net> [2]
Reported by: rozhuk.im@gmail.com [2]
Obtained from: PkgSrc [1]
Obtained from: https://github.com/mozilla/gecko-dev/commit/6af7f0e6 [2]
Security: https://vuxml.freebsd.org/freebsd/99029172-8253-407d-9d8b-2cfeab9abf81.html
Security: https://vuxml.freebsd.org/freebsd/76ff65f4-17ca-4d3f-864a-a3d6026194fb.html
Approved by: ports-secteam (zi, delphij), portmgr (erwin)