[x] Merge dev and dev-composable now that features can be enabled through env variables on the dev-composable image. A dev-composable image not configured through env variables should behave in the same way dev image do.
[x] Clone dev and dev-composable into 1.2 and prepare it to work using WireCloud 1.2
[x] Update Travis CI to handle new integration tests
devanddev-composablenow that features can be enabled through env variables on thedev-composableimage. Adev-composableimage not configured through env variables should behave in the same waydevimage do.devanddev-composableinto 1.2 and prepare it to work using WireCloud 1.2