add auth and paged request to gh_api
attempt to cache gh_api requests

with requests-cache
raise AttributeError on missing attribute in ShimModule

required for sphinx build to succeed
updates to github stats

use authorized paged requests, etc.
start 1.0 whatsnew
add zero-import get_ipython example
Merge pull request #3704 from minrk/whatsnew

Start what's new for 1.0
mark 1.0.0a1
back to dev
fix two failing test in IPython.lib
Merge pull request #3722 from ivanov/quickfix-pylab

fix two failing test in IPython.lib
Nicer message when pandoc is missing, closes #3730
Merge pull request #3733 from ivanov/pandoc-missing

Nicer message when pandoc is missing, closes #3730
Change default build directory
Make sure the path exists that the figures are to be written to.
Don't move the file if it doesn't need to be moved.
Move extracted files into their own subdir
Added a space between pound and comments (@minrk request)
s/extractfigure.py/extractoutput.py
Rename ExtractFigureTransformer to ExtractOutputTransformer