When adding an account manager, BOINC should not prompt for Usernames and Passwords for Account Managers that do not use them to authenticate, like BAM!

[JacobKlein]

When attaching to BAM!, so long as I provide any password whose length is 6+, even if I use a blank username, BOINC appears to successfully attach to BAM!.

Further testing shows that I can use ANY Username, and ANY 6+ length password, and it still works.

When I first saw this, I was completely confused, and thought it was all completely broken.  Now, I realize there must be some feature where my host_cpid and domain_name are used to automatically look up the information, but...
If Username and Password are irrelevant to BAM! authentication, and BOINC is going to succeed in adding BAM! regardless of my inputs, then I conclude that:

BOINC should not prompt for Usernames and Passwords for Account Managers that do not use them to authenticate.

After giving a bogus name and bogus password, BOINC attached to BAM!, and here is the log:
3/31/2011 !12:49:47 AM | | Fetching configuration file from http://bam.boincstats.com/get_project_config.php
3/31/2011 !12:50:00 AM | | Contacting account manager at http://bam.boincstats.com/
3/31/2011 !12:50:02 AM | | Account manager: BAM! User-ID: 32925
3/31/2011 !12:50:02 AM | | Account manager: BAM! Host-ID: 271765
3/31/2011 !12:50:02 AM | | Account manager: Number of BAM! connections for this host: 54
3/31/2011 !12:50:02 AM | | Account manager contact succeeded
3/31/2011 !12:50:02 AM | | Attaching to http://boinc.umiacs.umd.edu/
3/31/2011 !12:50:02 AM | | Attaching to http://boinc.bakerlab.org/rosetta/
3/31/2011 !12:50:02 AM | | Attaching to http://www.worldcommunitygrid.org/
3/31/2011 !12:50:02 AM | | Attaching to http://boincsimap.org/boincsimap/
3/31/2011 !12:50:02 AM | | Attaching to http://ralph.bakerlab.org/
3/31/2011 !12:50:02 AM | | Attaching to http://docking.cis.udel.edu/
3/31/2011 !12:50:02 AM | | Attaching to http://isaac.ssl.berkeley.edu/alpha/
3/31/2011 !12:50:02 AM | | Attaching to http://www.gpugrid.net/
3/31/2011 !12:50:02 AM | | Attaching to http://cbl-boinc-server2.cs.technion.ac.il/superlinkattechnion/
3/31/2011 !12:50:02 AM | | Attaching to http://boinc.fzk.de/poem/
3/31/2011 !12:50:02 AM | | Attaching to http://hydrogenathome.org/
3/31/2011 !12:50:02 AM | | Attaching to http://MindModeling.org/beta/
3/31/2011 !12:50:02 AM | | Attaching to http://www.freehal.net/freehal_at_home/
3/31/2011 !12:50:02 AM | | Attaching to http://boinc.drugdiscoveryathome.com/
3/31/2011 !12:50:02 AM | | Attaching to http://www.rnaworld.de/rnaworld/