Revert "Added missing %s to error format string"

This reverts commit f4acdfd035c2ffa196035cc574d8b40a1795abb3.

client/driver/docker.go

@@ -431,7 +431,7 @@ func (d *DockerDriver) Start(ctx *ExecContext, task *structs.Task) (DriverHandle
 
 			if len(containers) != 1 {
 				log.Printf("[ERR] driver.docker: failed to get id for container %s", config.Name)
-				return nil, fmt.Errorf("Failed to get id for container %s: %s", config.Name, err)
+				return nil, fmt.Errorf("Failed to get id for container %s", config.Name, err)
 			}
 
 			log.Printf("[INFO] driver.docker: a container with the name %s already exists; will attempt to purge and re-create", config.Name)

client/driver/docker_test.go

@@ -545,9 +545,3 @@ func TestDockerDNS(t *testing.T) {
 		t.Errorf("DNS Servers don't match.\nExpected:\n%s\nGot:\n%s\n", task.Config["dns_search_domains"], container.HostConfig.DNSSearch)
 	}
 }
-
-func TestDockerAuth(t *testing.T) {
-	if !dockerIsConnected(t) {
-		t.SkipNow()
-	}
-}

website/Gemfile

@@ -1,5 +1,5 @@
 source "https://rubygems.org"
 
-ruby "2.2.3"
+ruby "2.2.2"
 
 gem "middleman-hashicorp", github: "hashicorp/middleman-hashicorp"