Readme: Username adapted after name change

Author: mxschmitt

README.md

@@ -1,9 +1,9 @@
 # Golang URL Shortener (Work in Progress)
 
-[![Build Status](https://travis-ci.org/maxibanki/golang-url-shortener.svg?branch=master)](https://travis-ci.org/maxibanki/golang-url-shortener)
-[![GoDoc](https://godoc.org/github.com/maxibanki/golang-url-shortener?status.svg)](https://godoc.org/github.com/maxibanki/golang-url-shortener)
-[![Go Report Card](https://goreportcard.com/badge/github.com/maxibanki/golang-url-shortener)](https://goreportcard.com/report/github.com/maxibanki/golang-url-shortener)
-[![Coverage Status](https://coveralls.io/repos/github/maxibanki/golang-url-shortener/badge.svg?branch=master)](https://coveralls.io/github/maxibanki/golang-url-shortener?branch=master)
+[![Build Status](https://travis-ci.org/mxschmitt/golang-url-shortener.svg?branch=master)](https://travis-ci.org/mxschmitt/golang-url-shortener)
+[![GoDoc](https://godoc.org/github.com/mxschmitt/golang-url-shortener?status.svg)](https://godoc.org/github.com/mxschmitt/golang-url-shortener)
+[![Go Report Card](https://goreportcard.com/badge/github.com/mxschmitt/golang-url-shortener)](https://goreportcard.com/report/github.com/mxschmitt/golang-url-shortener)
+[![Coverage Status](https://coveralls.io/repos/github/mxschmitt/golang-url-shortener/badge.svg?branch=master)](https://coveralls.io/github/mxschmitt/golang-url-shortener?branch=master)
 [![License](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
 [![Download](https://api.bintray.com/packages/maxibanki/golang-url-shortener/travis-ci/images/download.svg?version=0.1) ](https://bintray.com/maxibanki/golang-url-shortener/travis-ci/0.1/link)
 [![Docker Pulls](https://img.shields.io/docker/pulls/maxibanki/golang_url_shortener.svg)](https://hub.docker.com/r/maxibanki/golang_url_shortener/)
@@ -29,10 +29,10 @@
 
 ## Documenation
 
-- [Installation](https://github.com/maxibanki/golang-url-shortener/wiki/Installation)
-- [Configuration](https://github.com/maxibanki/golang-url-shortener/wiki/Configuration)
-- [Setting up OAuth](https://github.com/maxibanki/golang-url-shortener/wiki/Setting-up-OAuth)
-- [ShareX Usage](https://github.com/maxibanki/golang-url-shortener/wiki/ShareX)
+- [Installation](https://github.com/mxschmitt/golang-url-shortener/wiki/Installation)
+- [Configuration](https://github.com/mxschmitt/golang-url-shortener/wiki/Configuration)
+- [Setting up OAuth](https://github.com/mxschmitt/golang-url-shortener/wiki/Setting-up-OAuth)
+- [ShareX Usage](https://github.com/mxschmitt/golang-url-shortener/wiki/ShareX)
 
 ## Why did you built this