Ensure we check current service updates in integration tests

Signed-off-by: Lewis Marshall <lewis@lmars.net>
Make the default rake task run all tests

Signed-off-by: Lewis Marshall <lewis@lmars.net>
Add .travis.yml

Signed-off-by: Lewis Marshall <lewis@lmars.net>
Run integration tests directly if HAS_DEPENDENCIES=true

Signed-off-by: Lewis Marshall <lewis@lmars.net>