initial version... not exactly pretty
PEP8-compliant whitespace edits
Updated webGL molecule rendering to use IPython v2.0 features

This now loads a local copy of molecule.min.js, and avoids duplicate
loading by using IPython’s require.js.
Switched 2D rendering from PNG to SVG
Merge pull request #257 from patrickfuller/ipython_3dnotebook

Updates to IPython Notebook Rendering
default to png rendering
Performance improvement to webGL rendering
Merge branch 'master' into ipython_3dnotebook
error handling around kekulization
Fallback to remote imolecule lib for static HTML support
Merge pull request #287 from patrickfuller/ipython_3dnotebook

Static webGL rendering fix
try to support older ipython versions
cleanup
merge changes from master
bit of python3 porting for the new notebook code
update from patrick fuller's github repo