gofmt -s and readme update for v0.6 release

Author: jeevatkm

README.md

@@ -1,8 +1,8 @@
 # essentials - aah framework
 [![Build Status](https://travis-ci.org/go-aah/essentials.svg?branch=master)](https://travis-ci.org/go-aah/essentials) [![codecov](https://codecov.io/gh/go-aah/essentials/branch/master/graph/badge.svg)](https://codecov.io/gh/go-aah/essentials/branch/master) [![Go Report Card](https://goreportcard.com/badge/aahframework.org/essentials.v0)](https://goreportcard.com/report/aahframework.org/essentials.v0)
-[![Version](https://img.shields.io/badge/version-0.5-blue.svg)](https://github.com/go-aah/essentials/releases/latest) [![GoDoc](https://godoc.org/aahframework.org/essentials.v0?status.svg)](https://godoc.org/aahframework.org/essentials.v0)  [![License](https://img.shields.io/github/license/go-aah/essentials.svg)](LICENSE)
+[![Version](https://img.shields.io/badge/version-0.6-blue.svg)](https://github.com/go-aah/essentials/releases/latest) [![GoDoc](https://godoc.org/aahframework.org/essentials.v0?status.svg)](https://godoc.org/aahframework.org/essentials.v0)  [![License](https://img.shields.io/github/license/go-aah/essentials.svg)](LICENSE)
 
-***v0.5 [released](https://github.com/go-aah/essentials/releases/latest) and tagged on Apr 07, 2017***
+***v0.6 [released](https://github.com/go-aah/essentials/releases/latest) and tagged on Jul 22, 2017***
 
 `essentials` contains simple & useful utils methods for Go. aah framework utilizes essentials (aka `ess`) library across. Essentials library complements with handy methods, refer godoc to know more about methods:
 * filepath
@@ -24,4 +24,4 @@
 go get -u aahframework.org/essentials.v0
 ```
 
-See official page [TODO]
+Visit official website https://aahframework.org to learn more.

guid_test.go

@@ -54,21 +54,21 @@ type guidParts struct {
 }
 
 var uniqueIds = []guidParts{
-	guidParts{
+	{
 		"4d88e15b60f486e428412dc9",
 		1300816219,
 		[]byte{0x60, 0xf4, 0x86},
 		0xe428,
 		4271561,
 	},
-	guidParts{
+	{
 		"000000000000000000000000",
 		0,
 		[]byte{0x00, 0x00, 0x00},
 		0x0000,
 		0,
 	},
-	guidParts{
+	{
 		"00000000aabbccddee000001",
 		0,
 		[]byte{0xaa, 0xbb, 0xcc},