Updates 5/3/16 - Firefox

Fixed

• Add-on signing certificate expiration (Bug 1267318)

• Service worker update issue (Bug 1267733)

• Build issue when jit is disabled (Bug 1266366)

• Page loading issue related to antivirus software (Bug 1268922)

• Search plugin issue for various locales (Bug 1246494)

• Limit Sync registration updates (Bug 1262312)