Add crash_log to TestServer app_config.
Add crash_log to TestServer app_config.

GabrielNicolasAvellaneda/riak-python-client,basho/riak-python-client,basho/riak-python-client,basho/riak-python-client,GabrielNicolasAvellaneda/riak-python-client,bmess/riak-python-client,bmess/riak-python-client