Bug 967153: Update to NSS 3.16 beta 3 (NSS_3_16_BETA3), r=me

--HG--
extra : rebase_source : 75c78b361f887c2cb820bc41913bcf68de15f83f
extra : histedit_source : 7c8e8a79c9dde7c702ceb5ce1e4a73f2a77fbea5