MozillaFirefox: Update to Mozilla Firefox 31 (important)

MozillaFirefox was updated to version 31 to fix various security issues and bugs: MFSA 2014-56/CVE-2014-1547/CVE-2014-1548 Miscellaneous memory safety hazards MFSA 2014-57/CVE-2014-1549 bmo1020205 Buffer overflow during Web Audio buffering for playback MFSA 2014-58/CVE-2014-1550 bmo1020411...