config for ldap authentication
set ldap_passwd to %ODBC_PASSWORD%
remove unnecessary comma
Merge pull request #37 from ppikula/pp-ldap-config

config for ldap authentication
Use escalus 2.3.1, exml 2.1.0
tests for ldap_vcards
test case for ldap shared roster
specify backend modules for mod_vcard (vcard unification)
Use escalus 2.3.2
Merge pull request #42 from ppikula/pp-ldap-shared-roster

Test case for shared roster
Merge pull request #38 from ppikula/pp-ldap-vcard-config

Tests for ldap vcards