bind authentication method

ACLs, the only sane and useful option is "read".

as reported by Jeff Earickson <jaearick@colby.edu>
other suggestions to be separately reviewed

 The problem is that the current code checks the queue inside
 the test for correct connecction state, so sometimes the queue
 doesn't get checked. This change moves the test outside
 the connection check.

- rebuild configure script

and general cleanup

upon failures.

consistently.