Update instructions for indexing OpenAddresses CSV
Change instructions to be explicitly for one region
Merge branch 'master' into openaddresses-readme

Conflicts:
	README.md
Add Jeremia to list of contributors
Add more instructions for running in the command line
Finish conforming instructions to one file
Refine language in request logging section
Merge pull request #59 from codeforamerica/openaddresses-readme

Openaddresses readme