Minor character cleanup

can use lyskom-view-text with impunity (it did anyway, and sometimes
crashed and burned as a result.)

Default async message recipient can be the last recipient of a send
async message.

Better error messages when adding members
Try to keep buffer lists updated

Bug fix in handling add-recipient async send for BCC recipients we can't see

	kom-reading-puts-comments-in-pointers-last.

Better abstraction for setting priority.

First shot at a major mode for the buffer.
Added kom-handle-membership to invoke the buffer

Print name of sender of imported mail in the edit buffer