akvo/akvo-flow — pull request #632 by muloem (2014-07-01 14:11:54+00:00)
Title: [#556] Solve NPE when SurveyedLocale has no geocells set

The `/webapp/testharness?action=deleteSurveyResponses` results in an NPE when there are no geocells for a SurveyedLocale. This is observed when testing issue #613.