added Travis-Ci support

Author: jankoslavic

readme.rst

@@ -6,9 +6,12 @@ LabView Measurement file reader
 This package is part of the www.openmodal.com project.
 
 |binder| to test the *Showcase lvm_read.ipynb*. 
+|travis|
 
 .. |binder| image:: http://mybinder.org/badge.svg 
  :target: http://mybinder.org:/repo/openmodal/lvm_read
+.. |travis| image:: https://travis-ci.org/openmodal/lvm_read.svg?branch=master
+ :target: https://travis-ci.org/openmodal/lvm_read
 
 See also `Specifications <http://www.ni.com/tutorial/4139/en/>`_.