Update release version in README + remove travis badge

Author: radar

README.md

@@ -1,9 +1,7 @@
 Ruby API Library for Fat Zebra
 ==============================
 
-[![Build Status](https://travis-ci.org/fatzebra/Ruby-Library.svg?branch=master)](https://travis-ci.org/fatzebra/Ruby-Library)
-
-Release 3.2.6 for API version 1.0
+Release 3.2.8 for API version 1.0
 
 A Ruby client for the [Fat Zebra](https://www.fatzebra.com) Online Payment Gateway