#125 Allow auth from multiple LDAP servers

[Anonymous]

Expands the LDAP_AUTH_HOST config element to allow
colon (:) separated hostnames of IP addresses. The
updated lib/WikiUser/LDAP.php will try each host in
order to connect to and auth off of. If all hosts fail
to bond, then it will generate an error.

Also corrects anonymous bind. This used to simply be
used if no LDAP_AUTH_USERNAME and/or LDAP_AUTH_PASSWORD
were supplied in the config file. This is incorrect in
some LDAP implementations (openLDAP). This patch will
ALWAYS do a ldap_bind() after a ldap_connect() to
ensure that a valid LDAP connection is made to the host.

[Nobody/Anonymous]

diff between 1.3.11p1 LDAP.php and the patched version

[Nobody/Anonymous]

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Sorry, forgot to put in my e-mail address.
jstevensog@gmail.com or john.stevens@deakin.edu.au