filesel: save selected file type.
filesel: automatically modify file extension when file type is changed.
added the feature to save message as plain text (locale or UTF-8 encoding).
removed label warning on non-win32.
src/filesel.c: win32: handle multiple file selection with shortcuts.
win32: follow Windows shortcut (.lnk) on file selection dialog.
preserve the last selected folders between sessions.
added select button to 'Add mailbox' dialog.
don't execute automatic incorporation while file selection dialog is open.
use Yes/No button for overwrite confirmation dialog.
use custom overwrite confirmation dialog in file selection dialog.
use GTK's overwrite confirmation dialog in file selection dialog.
made the default directory of file selection dialog document folder.
place some dialogs at the center on parent window.
fixed preselected directory with GTK+ 2.8.
added '--configdir' option which specifies config directory.
implemented 'Save all'.
updated po files.
remember the state of the expander of file save dialog.
improvement to filesel dialog.
enabled multiple file selection when attaching files.
improved MimeView and file selection dialog.
replaced GtkFileSelection with GtkFileChooserDialog.
fixed non-utf8 filename handlings.
Initial import of Sylpheed (GTK2 version).