* src/mapihelp.cpp (change_message_class_ipm_note): Look for
PGP Lines even without content type.
* src/mimedataprovider.cpp (MimeDataProvider::write): Respect
m_collect_everything.
* src/parsecontroller.cpp (ParseController::ParseController): Don't
expect MIME headers for inline pgp data.
(expect_no_mime): New.