Bug 918995 - Add the date item in notify header. r=jrburke
Merge pull request #253 from evanxd/bug-918995

Bug 918995 - [1.2][email] Multiple email notification should have senders listed in reverse chronological order of email timestamp
Bug 921529 - [email] Make ActiveSync autodiscover "not-authorized" failure non-fatal so that we still perform an ISPDB lookup. r=squib