Skeleton package

[minrk]

This is a not-yet-working package that fills out the basic organization for a REST App, largely based on JupyterHub itself

• html page handlers in handlers.py
• api handlers in apihandlers.py
• jinja templates
• CORS / XSRF defaults
• hub authentication
• hub services env
• package.json for installing the client-side with npm
• travis setup

[rgbkrk]

Is there a reason you're including pbr? Did that come from a cookiecutter template?

[minrk]

I've been giving pbr a try on a few small packages, and it's been pretty nice, so I thought I would give it a go here. It appears to offer the same declarative setup benefits of flit (use requirements.txt, add metadata to setup.cfg), but without any of the downsides (all standard pip, setup.py commands work, etc.).

[willingc]

I'll handle the little stuff. Merging 🎆