Migrated to travis-ci.com and updated badges

Author: fr00b0

README.md

@@ -1,6 +1,6 @@
 # Nod
-[![Build Status](https://travis-ci.org/fr00b0/nod.svg?branch=master)](https://travis-ci.org/fr00b0/nod)
-[![GitHub tag](https://img.shields.io/github/tag/fr00b0/nod.svg?label=version)](https://github.com/fr00b0/nod/releases)
+[![Build Status](https://api.travis-ci.com/fr00b0/nod.svg?branch=master&status=started)](https://travis-ci.com/fr00b0/nod)
+[![GitHub tag](https://img.shields.io/github/v/tag/fr00b0/nod?label=version&sort=semver)](https://github.com/fr00b0/nod/releases)
 
 Dependency free, header only signals and slot library implemented with C++11.