accelerators that are remembered across Sylpheed sessions
[oliver]
o Selective Download:
- - make selective downloads filtering rules independent from filtering
- - introduce selective_download_rc holding delete_on_server filtering rules
- - filter + download or leave on server (delete) in one go
- o Custom Toolbar
- - cleanups
+ - pluginify selective download (separate filtering rules)
+ - create pop3 preview Folder as a part of the plugin