* src/compose.c
* src/folder.[ch]
* src/folderview.c
* src/import.c
* src/inc.c
* src/main.c
* src/mainwindow.c
* src/messageview.c
* src/prefs_folder_item.c
* src/procmsg.c
* src/summaryview.c
* src/toolbar.c
o remove all folder update triggering from the UI code. The folder
system should know much better when a folder needs an update.
o to prevent multiple updates in a row the folder updates can be
frozen for some time.
Note: - Please verify that no updates are missing
- Check where freeze/thaws should be added
added Makefile
* src/filtering.[ch]
* src/folder.[ch]
* src/folderview.[ch]
* src/import.c
* src/inc.[ch]
* src/mbox.[ch]
* src/procmsg.c
* src/summaryview.[ch]
o added new flag need_update to FolderItem
o removed folder_table from various functions from tracking
folder updates
o set need_update flags in folder.c's move, copy and delete
functions and procmsg's flags functions
o added function folderview_update_items_when_required that
updates all folders with need_update set
o call folderview_update_items_when_required instead of
folderview_update_item_foreach
