[ldapfeed] use LDAP_SCOPES to find user-scope
We already have LDAP_SCOPES dict defining possible scopes, this avoid possible code injection from config...
Thus we can drop global variables already defined in LDAP_SCOPES since they are not used directly anymore.
Multiple sources of data
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Data sources include SQL, LDAP, RQL, mercurial and subversion.
.. XXX feed me