Add Travis CI configuration file
Add Travis CI configuration file

Documentation:

  http://about.travis-ci.org/docs/user/build-configuration/
  http://about.travis-ci.org/docs/user/languages/javascript-with-nodejs/

Change-Id: I385311244b7f4a19ba361eb7eb6670be199479e1
Reviewed-on: https://gerrit.causes.com/23662
Tested-by: Joe Lencioni <1dd72cf724deaab5db236f616560fc7067b734e1@causes.com>
Reviewed-by: Greg Hurrell <79e2475f81a6317276bf7cbb3958b20d289b78df@causes.com>

causes/method-proxy-js