Added some checks around the configuration of PHP sessions since it seems to cause a lot of troubles.
Added some checks around the configuration of PHP sessions since it seems to cause a lot of troubles.

git-svn-id: efba275c3291004ad656db059d43564e37a1fae9@2548 60fe80c7-c1f8-43be-bd32-c3e8feb7a3b0

dflaven/itop,dflaven/itop,dflaven/itop,dflaven/itop,dflaven/itop