Fixed contour-scatter example. Indexing for z matrix was backwards.
python get-requests added
publish.py now saves back to pre-book.json to keep track of urls.

no more porting urls many times! huzzah!
added streaming + some config updates
re-processing examples in run.py resets them in the prebook

i.e., publish.py will now KNOW about it.
smaller top margin if title doesn't exist
Fresh run with new refactor.
Merge branch 'reorganization' of https://github.com/plotly/documentation into reorganization
added 4 new mpl examples
weird non-ascii character made its way into this file? deleted.
python exec doesn't seem to like function definitions...
New mpl examples run/executed/added to test and publish.
Merge branch 'reorganization' of https://github.com/plotly/documentation into reorganization