Fixed issue 04934 : Editing a response in the data entry form always resets the answer to "not completed" in private surveys
Dev : fixed completed select box, allow to change submitdate, fix some security in sql request

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/limesurvey_dev@9799 b72ed6b6-b9f8-46b5-92b4-906544132732