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
PEP8 fixes on the markers module
MEP10 - documentation improvements on the markers module
DOC improvements on the markers module
DOC axes now refers to the Markers module instead of concatenating docstrings
MEP10 - documentation improvements on set_xlabel and text of axes.py
Merge pull request #1803 from NelleV/pep8_markers

Markers module: PEP8 fixes and MEP10 documentation fixes
BF - correct return type for Axes.get_title
Merge pull request #1832 from ajdawson/fix-get-title

BF - correct return type for Axes.get_title
finance.fetch_historical_yahoo: Create directories leading up to cachename.

Previously, if cachename was specified, it would create the directories to
cachedir instead, resulting in OSError if the directories leading up to
cachename were not specified.
finance: Use context manager to close files.

Previously, the urllib object opened in fetch_historical_yahoo was not
explicitly closed.
Merge pull request #1834 from mgiuca-google/finance-cachename

finance: Fixed making directories for explicit cachename
MEP10 - documentation improvements on many common plots: scatter plots, imshow, matshow etc
DOC improvements on scatter plot