Add (currently failing) test for atomic actions Actions via the web-interface can have several database-modifying instructions. These should be atomic, i.e., either all should go in or none. This is currently not the case due to commit calls from OTK handling (CSRF-protection).

#!/usr/bin/env python
import zlib, base64, sys
print base64.encodestring(zlib.compress(sys.stdin.read()))