[0.84] child entity for contract template - see #4620

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.84-bugfixes@22109 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.84] clean logdebug

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.84-bugfixes@22110 35612d4c-9d10-0410-837c-bf9dd1be60d7