pass options through for keys in embedded maps
URL option for unminified js; HTTP tests
Separated dev, offline, and web modes. Option for scroll behavior
Simplified templates. Dev files work in the notebook with local_host option
Fixes bug with turning off key manager
Adjustments to bounding divs. Works nicely in the notebook!
Zoom buttons in IPython notebook, without bootstrap/jquery.

Fixes #53
Scroll options include zoom, pan, and none
Merge branch 'master' into ipython-fixes

Conflicts:
	escher.1.0.dev.min.js
	escher/plots.py
	escher/tests/test_urls.py
Merge pull request #54 from zakandrewking/ipython-fixes

pass options through for keys in embedded maps