Merge pull request #1436 from slackpad/official-consul-image

Adds an official image for Consul.

library/consul

@@ -0,0 +1,4 @@
+# maintainer: James Phillips <[email protected]> (@slackpad)
+
+v0.6.4: git://github.com/hashicorp/docker-consul@9a59dc1a87adc164b72ac67bc9e4364a3fc4138d 0.6
+latest: git://github.com/hashicorp/docker-consul@9a59dc1a87adc164b72ac67bc9e4364a3fc4138d 0.6