Start to update docs for spectral/Spectral change
change spectral to nipy_spectral, leave spectral as alias, update docs
align nipy_spectral_data, double backquotes
Make loc come after fontdict in set_title. Closes #1759
axes3d's set_title sould return the Text object
Also needed to swap the arguments in docstring
Also need to fix the title() docstring in pyplot.py
Fixes problem raised in #1431
MEP10 - refactored hlines and vlines documentation
Modified hline and vline examples to have only one file and linked them to the documentation
DOC mentions kwargs in vlines and hlines
DOC didn't render properly
Fix Python 3 bug in PS backend.
Another Python3 bytes/unicode fix
Flush file handles at the end, since Python 3 won't do it for us.
Re-write stacked step histogram
Fix bug in stacked bar histogram. Also, calling hist with `log=True` now
behaves correctly in all cases.
Update a few test baseline images
PEP8 fixes
Remove duplicate test_hist_offset