Added and enabled new access check for viewing ProjectSurvey records.
Org Admins, project Mentors and project Students are now allowed to see their own ProjectSurveyRecords.
Note however that Students and Mentors have no interface yet to find the whereabouts of their records.
Fixes Issue 659.
A list of bugs is available in the Google App Engine SDK project on Google Code.
The issue tracker is at http://code.google.com/p/googleappengine/issues/.