Download Manager: 

- move canceled downloads below last active download
- retention policy hookup
- window auto-close/not auto-close
X retry hookup
X context menu
X properties dialog
- quit-application dialog
- don't show if download is already done check from seamonkey

Graphics: 
- clean up icon
- auto close button icon/resolution

Additional: 
- XPI integration
- Safari-style Stuffit Expander integration

Helper Apps: 

- collapse plugins into datasource
- "restore defaults" button
- create platform handler default files
- fix helper app dlg for when a default handler doesn't exist (don't show empty menulist)
- fix the helper app dlg file types for when a default handler doesnt exist... fetch the app name on MacOS. (work in progress)
- only show the extension column in the file types view on windows
- sort the file types list
- show "Open with Default" on Linux instead of using the actual application name. 



OBSOLETE: 

Download Manager Task List: 

- Restore window
- Remove sidebar
- Move sidebar content to window
- collapse finished downloads into single window view
- establish retention policy, hook up prefs
- hook up show/close prefs (autoclose) 
- show composite progress in the title bar
- ensure window isn't shown when file is transferred in under a few seconds. 
- must not steal focus

- Attempt to mimic Safari's Stuffit Expander integration

- XPI integration