BUILD: add travis.yml for running CI checks after commits
BUILD: add travis.yml for running CI checks after commits

This instructs travis-ci to install dependency packages, devel-mode
packages, build and run the check as well as installcheck targets.
Notifications are sent to #beast on IRC and via email to the Rapicorn
Google group.

Signed-off-by: Tim Janik <6ec6ff229c4e1c5bbd5933ee92e6c5832ff023bb@gnu.org>

tim-janik/rapicorn,tim-janik/rapicorn,tim-janik/rapicorn,tim-janik/rapicorn,tim-janik/rapicorn