94_logstash: Enable logstash support
94_logstash: 1. Add instruction. 2. comment out logstash in config.py
94_logstash: actually we donot need import logstash in deuce, Pecan and Python logging have it
94_logstash: fix syntax in config.py
94_logstash: fix pep8 in config.py
Merge pull request #48 from raxyu/94_logstash

94 logstash