If you want/need to load data into a different es cluster just specify either the
* -H/--host option
* -p/--path option
ex: python load.py --host http://123.123.123.123:9200 -p /home/code/elasticsearch
* Adding start_elasticsearch.sh script to run elastic search on the host
in a docker container at http://localhost:9200
* update readme in instructions on how to use script