Updating travis to run multiple scripts for testing. Included unit tests.
Trying to run_tests.sh with bash instead of sh because of a shift error (http://john.parnefjord.se/node/71).
Switching travis from test branch back onto dev-master.
Somehow this travis branch switch didn't take.
Merge pull request #57 from rhyolight/travis-experiments

Adding run_tests.sh execution