cubicweb #1412613 ldap source: use dataflake.ldapconnection [rejected]

The description of the project state:

dataflake.ldapconnection provide an abstraction layer on top of python-ldap. It offers a connection object with simplified methods for inserting, modifying, searching and deleting records in the LDAP directory tree.

Failover/redundancy can be achieved by supplying connection data for more than one LDAP server.

Looks a very good candidate to easily improve ldap support in cw, especially everything related to connection (failover, stability).

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