Add missing license headers.

gen.go

@@ -24,6 +24,7 @@ import (
 	"github.com/minio/cli"
 )
 
+// ACME CA url. -- TODO make this configurable.
 const acmeServer = "https://acme-staging.api.letsencrypt.org/directory"
 
 func checkFolder(path string) error {
@@ -33,6 +34,7 @@ func checkFolder(path string) error {
 	return nil
 }
 
+// main for gen command.
 func genMain(c *cli.Context) {
 	if !c.Args().Present() || c.Args().First() == "help" {
 		cli.ShowCommandHelpAndExit(c, "gen", 1) // last argument is exit code

renew.go

@@ -1,3 +1,19 @@
+/*
+ * Concert (C) 2016 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package main
 
 import (
@@ -6,6 +22,7 @@ import (
 	"github.com/minio/cli"
 )
 
+// main for renew command.
 func renewMain(c *cli.Context) {
 	if !c.Args().Present() || c.Args().First() == "help" {
 		cli.ShowCommandHelpAndExit(c, "renew", 1) // last argument is exit code

server.go

@@ -1,3 +1,19 @@
+/*
+ * Concert (C) 2016 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
 package main
 
 import (
@@ -7,6 +23,7 @@ import (
 	"github.com/minio/cli"
 )
 
+// main for server command.
 func serverMain(c *cli.Context) {
 	if !c.Args().Present() || c.Args().First() == "help" {
 		cli.ShowCommandHelpAndExit(c, "renew", 1) // last argument is