[0.85] add search date for reservation for post only - see #4189

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20664 35612d4c-9d10-0410-837c-bf9dd1be60d7
[0.85] clean logdebug - see #4189

git-svn-id: https://forge.indepnet.net/svn/glpi/branches/0.85-work@20665 35612d4c-9d10-0410-837c-bf9dd1be60d7