* src/Makefile.am
* src/account.c
* src/folder.[ch]
* src/folder_item_prefs.[ch] ** NEW **
* src/folderview.c
* src/mainwindow.c
* src/mh.c
* src/prefs_gtk.c
* src/prefs_scoring.c
* src/summaryview.c
* src/prefs_folder_item.[ch]
o seperate FolderItemPrefs (formerly PrefsFolderItem) and the
Properties dialog
o use prefswindow for folder properties
* src/gtk/prefswindow.[ch]
change implementation to use an invisible notebook instead
of unparenting widgets
