Support/Goals/Doc Updates/Fx4

• Firefox Menu P1 [some changes coming, mostly behavioral, can start but screenshots are likely to change]
• App Tabs P1 [only change left is to make navigating to external websites result in new tabs being launched]
• Notifications P1 [lots of visual change left, hooking up to various notification tasks]
• Panorama (Tab groups) P1 [basically done, small visual tweaks coming]
• Sync UI and set up process P1 [totally changing, avoid documenting at this time]
• Loss of status bar P1 [done]
• New Safe Mode UI P1 [the addition of a menuItem is done; haven't gotten the shortcut change done yet, but hope to soon]
• New error messages (?) P1 [not sure what this means]
• Tabs on top P2 (may need it earlier for screenshots) [basically done, some visual tweaks coming on Windows/Linux]
• Links have URLs show up in the address bar P2 [done, some visual tweaks coming]
• Non-restart extensions P2 [done, Add-Ons Manager UI changing visually a bunch in next little while, though]
• Loss of bookmarks bar P2 [done]
• Doorhangers (notifications) P2 [how is this different than notifications above?]
• New location for about:support P2 [done]
• Add-ons manager P2 [visually changing a lot in the next month or so]
• Any changes to options P2 [mostly in advanced> general and advanced> network]
• Tab matching in awesomebar P3 [done, some UI change potentially coming, but might not make it]
• Hardware accelleration (and how to disable) P3 [advanced> general]
• WebM video P3 [done]
• Mac gestures (three finger swipe) P3 [implemented, but we might not keep it]
• Services menu (?) P3 [?]
• Bar Tab-like behavior P3 [done]
• Restore Previous Session P3 [done]
• Page Loading UI P3 [?]
• Resizable text areas P3 [done]