Ship Odyssey v.2013.08.07: re-enable "Delete data from previous games" option.
ShipOdyssey.mxml -- re-enable  "Delete data from previous games".
ShipOdyssey.swf -- new build with v.2013.08.07
NOTE: game API action 'deleteAllCaseData' now has optional parameter, example:
{
  action: "deleteAllCaseData", // delete all closed cases
  args: { preserveGameCollectionCases: true } // except for game collection cases (delete children only)
}