[1.1, 1.2, 1.3] added check for php 5.2.9 which has a bug in array_unique to check_configuration.php (refs #6211)
[1.1, 1.2, 1.3] added check for php 5.2.9 which has a bug in array_unique to check_configuration.php (refs #6211)

git-svn-id: 7038a89b398528086dab5106cc8d05243a854dbc@19410 ee427ae8-e902-0410-961c-c3ed070cd9f9

theodo/symfony1.1-backports,theodo/symfony1.1-backports,theodo/symfony1.1-backports