nodejs-strongloop: version bump 2.9.3 -> 2.10.0

* package: update strong-arc to ^1.x (Sam Roberts)
* Upgrade all simple dependencies (Ryan Graham)
* package: use debug v2.x in all strongloop deps (Sam Roberts)
* Include git commits in version output if available (Ryan Graham)
* Add optional dependency on sl-blip (Ryan Graham)
* Add `slc arc` command (Miroslav Bajtoš)