Revert "GAE updated to version 1.9.6"

This reverts commit a49fc0e200477c740bf9b6e5fe6c3326603fe7da.

Conflicts:
	war/WEB-INF/lib/appengine-api-labs.jar
	war/WEB-INF/lib/appengine-endpoints-deps.jar
	war/WEB-INF/lib/appengine-endpoints.jar