in `nbextensions/config/main`:  * make extensions_list non-global
in `nbextensions/config/main`:
 * make extensions_list non-global

original-commit-id: beb72ebccc204b722527488fc6f2fcbaaabbfacf
original-commit-url: https://github.com/ipython-contrib/IPython-notebook-extensions/commit/beb72ebccc204b722527488fc6f2fcbaaabbfacf

jcb91/jupyter_nbextensions_configurator,jcb91/jupyter_nbextensions_configurator,jcb91/jupyter_nbextensions_configurator,jcb91/jupyter_nbextensions_configurator