Replace Minio refs in docs with MinIO and links (#7494)

cmd/update-notifier.go

@@ -1,5 +1,5 @@
 /*
- * Minio Cloud Storage, (C) 2015, 2016, 2017 Minio, Inc.
+ * MinIO Cloud Storage, (C) 2015, 2016, 2017 MinIO, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -45,7 +45,7 @@ func prepareUpdateMessage(downloadURL string, older time.Duration) string {
 
 // colorizeUpdateMessage - inspired from Yeoman project npm package https://github.com/yeoman/update-notifier
 func colorizeUpdateMessage(updateString string, newerThan string) string {
-	msgLine1Fmt := " You are running an older version of Minio released %s "
+	msgLine1Fmt := " You are running an older version of MinIO released %s "
 	msgLine2Fmt := " Update: %s "
 
 	// Calculate length *without* color coding: with ANSI terminal