updating npm shrinkwrap files
added file for fiber_helper style stubs on the client
Test for observe ordering in minimongo on server.

Currently failing.  Test first wheeeee!
Minimongo now uses a queue to manage observes

What this means for the user is that now, both on the server and the client, if
you look at a minimongo-backed collection from an observe/observeChanges
callback, you'll see a consistent view of it -- you'll never see it in the
middle of an update, for instance.

Furthermore, server!minimongo no longer has stubs, just future waits or
callbacks, your choice.
Just don't provide stubs for collection methods on server; test.

Test is for insert on server-to-server DDP minimongo side.