Bug 283425 - Add prefs UI for option to disable (don't show) the new-message tray icon. r+ui-review=bwinton
Bug 448624 - Remove imap specific "Empty trash" confirmation dialog and merge mailnews.*.dontAskAgain and mail.*.dontAskAgain prefs. r=mkmelin, r=Neil
Bug 599036 - Feeds that should open in a new window opens in a new tab. r+ui-review=bwinton
Unit test for bug 804091 - IMAP account option "Synchronize the most recent" not saving correctly. r=mconley
Bug 810763 - create test file to check proper handling/rejection of certain values input into the Account manager - tests for bug 80855, bug 327812, bug 208628, bug 530142, bug 720199, bug 536768. r=mconley.