- autogen.sh (libtool) complains about libmailbox.la in noinst

- libmailbox has a nasty bug -- if the mailbox is empty, the library has no idea
  what to do
  
- crypt is linked even if pam was detected, it should be one or the other

- test daemon code

- test network code

- add imap server code

- add more features

- optimize everything

- test everything