Add strip_url_static_file_prefix to filters
Add strip_url_static_file to base sphinx template and templateexporter.py
Add tests for filter
`strip_files_prefix` now also strips markdown style links, `latex_base` updated to include filter
transparent background match ... all colors
Added new utility functions to the casper.js testing utils.
Fixed bug where cell was not getting inserted because index is optional.
allow to load config from json file

json takes highest precedence and is loaded last
added a quiet option to %cpaste to suppress output

Useful when, e.g., using ipython as the interpreter for emacs org-mode.
Emacs copies python code from one buffer to ipython and can use the output
in the original buffer. Using `-q` will remove unwanted output.
added a note about sharing of nbconvert tempates
fix plural and embeded
Fixing various output related things:

This was inspired by PR #4105.

* JavaScript output no longer requires calling container.show()
* Added output_javascript CSS class that has zero height when
  empty.
* JavaScript error messages are properly indented with the prompt
  area.
check for libedit in readline on OS X

ensures readline is expressed as setuptools dependency on OS X if libedit is detected.
Merge pull request #4665 from minrk/readline-check

check for libedit in readline on OS X
Merge pull request #4646 from ellisonbg/output-js

Fixing various output related things:

JavaScript output no longer requires calling container.show()
Added output_javascript CSS class that has zero height when empty.
JavaScript error messages are properly indented with the prompt area.
Merge pull request #4650 from ivanov/templates-on-wiki

added a note about sharing of nbconvert tempates
Make non-ASCII docstring unicode
Merge pull request #4668 from takluyver/unicodestdstream-docstring

Make non-ASCII docstring unicode
add missing help strings to HistoryManager configurables

The result was missing information in generated config files.
Stop bundling the numpydoc Sphinx extension

numpydoc is now a separately installable package, so we can express a
dependency for the 'doc' install option, rather than bundling it. This
gets us bugfixes that our copy was lacking - one of which was causing a
problem for the ShiningPanda docs job.