modules/install-consul-only: use consul without supverisord

modules/consul-security-group-rules: remove quotes from type constraint

modules/consul-security-group-rules: fix rule name

Udp and Tcp rules both used "Dns${count.index}" name pattern. Fix it by renaming one to DnsUdp...

Merge pull request hashicorp#5 from pmarques/master

Fix build and update README

Merge pull request hashicorp#4 from pmarques/fix_paths

Fix consul packer paths

Merge pull request hashicorp#2 from hashicorp/chore/cleanup

cleanup

update because azure depricated the http://169.254.169.254/metadata/i…

…nstance\?api-version\=2017-07-01 endpoint

update diagram links