Updated README.md file

Added instructions for disabling multicast.
Cleanup
Cleanup
Updating integration tests for elastic search
Adding user.p12 instructions in readme file.
Merge branch 'develop' of https://github.com/ozone-development/meridian into newFeature/24/genericUserCerts

Conflicts:
	server/certs/localhost.p12
Added missing cert password instructions to the readme file.