Add version and travis build status

Author: Tim Walsh

README.md

@@ -1,6 +1,8 @@
-## addext
+## addext - Python script to add file extensions to files without them, based on DROID/Siegfried identification of PUID
 
-Python script to add file extensions to files without them, based on DROID/Siegfried identification of PUID.
+### Version: 1.0.1
+
+[![Build Status](https://travis-ci.org/timothyryanwalsh/addext.svg?branch=master)](https://travis-ci.org/timothyryanwalsh/addext)
 
 ### Calling addext