new settings menu
updated docs
Updated README with dependencies, pip installation.
added twitter info
Merge branch 'master' into settings

Conflicts:
	escher.1.0.dev.min.js
Fixed issue with loading same file twice. And...

- simplified setup.py options
- renamed offline to local in server, for consistency
- fixed associated tests
removed old knockout server
removed old knockout handler
usable settings panel
Allow offline access by loading embedded css asynchronously.
new scale functions. renamed Builder.o to Builder.options
new table for setting sections
Update to beta 2. Fixes bug with CobraModel content being undefined after loading map.
new beta2 js files
Actually fixed the cobra model issue
upgraded to beta2; changed default starting reaction to allow other models
finished settings UI.

TODO finish setting logic
added bacon.js properties to run settings
functional settings menu, with domain, range, styles, and auto-domain.

TODO Escape and abandon settings
Settings works for individual datasets.

TODO make it work for Diff datasets