Fixed issue #859: Users (from DataEntry) can´t complete partially filled out survey, if Tokens are used

There is still a lot to do. The whole error handling of the partially save in dataentry is crap.

git-svn-id: file:///Users/Shitiz/Downloads/lssvn/source/phpsurveyor@2812 b72ed6b6-b9f8-46b5-92b4-906544132732