Merge pull request #3996 from hashicorp/consul

Bumps Consul version to 1.0.6

library/consul

@@ -1,4 +1,4 @@
 # maintainer: Preetha Appan <[email protected]> (@preetapan)
 
-1.0.5: git://github.com/hashicorp/docker-consul@05523b3987523faa3820ae373abbe10c930c7283 0.X
-latest: git://github.com/hashicorp/docker-consul@05523b3987523faa3820ae373abbe10c930c7283 0.X
+1.0.6: git://github.com/hashicorp/docker-consul@b820cd370d68d28f91e1c8327616fb8f4c6e9126 0.X
+latest: git://github.com/hashicorp/docker-consul@b820cd370d68d28f91e1c8327616fb8f4c6e9126 0.X