Parsoid/Upgrade packages

We're aiming for deterministic package installs and using the tools the package manager,, provides. Please install npm v3.x (not v1.x or 2.x). Upgrading a package (or adding a new one) should go as follows: Now everyone's happy and the patch got merged. Go to the deploy repo and: Note that all the  business here is because   is an optional binary dependency that we want to avoid putting in the deploy repo.

If you're interested, at this point you can run  and then   to remove unnecessary local information like the install path.