IMAPX refactoring: IMAPX_OK, IMAPX_NO, IMAPX_BAD
IMAPX refactoring: IMAPX_OK, IMAPX_NO, IMAPX_BAD

* moved IMAPX_{OK, NO, BAD} untagged response codes to own function
  camel_imapx_server_untagged_ok_no_bad()
* do we need separate functions here?

GNOME/evolution-kolab,GNOME/evolution-kolab