improvement to filesel dialog.
also resize inline images.
changed the implementation of switching Text/MIME view.
save selected attachments if mimeview has focus when 'File/Save as...' is selected.
improved MimeView and file selection dialog.
replaced GtkFileSelection with GtkFileChooserDialog.
replaced intl.h with glib/gi18n.h.
ported to gpgme-1.0.
use GTK stock button for button set.
Initial import of Sylpheed (GTK2 version).