v1.4.1
Merge branch 'release/1.4.1' into production
Merge tag 'v1.4.1'

1.4.1

 * locked mode: reject all deployment attempts (Ryan Graham)

 * test: refactor docker e2e test script (Ryan Graham)

 * Fix deploy after current app is stopped (Sam Roberts)

 * run: improve log messages about actions and state (Sam Roberts)

 * Don't report supervisor "status" msg as unknown (Sam Roberts)

 * Fix confusing debug output about current deploy (Sam Roberts)

 * package: use debug v2.x in all strongloop deps (Sam Roberts)