add user guide parallelization
Comments of the PR
Added gitwash as an option on the makefile.
Updated the gitwash build.
Stephan's comments
PEP8 fixes and rearranged images in plot
Fix spelling
Replace jet with hot colormap
Merge pull request #1132 from ahojnnes/win-hist

PEP8 fixes and rearranged images in plot for rank.windowed_histogram
transform: Remove some leftovers in __all__

5c9d7af removed a bunch of deprecated functions, but forgot to remove
two more names from __all__.

Yes, I know * imports are a bad idea, but we have an internal app that
uses them. I've removed the * imports, but figured I might as well fix
upstream.
Merge pull request #1134 from magcius/fix-star-imports

transform: Remove some leftovers in __all__
Fix indexing bug in freeimage plugin
Fix Big Endian check
Merge pull request #1114 from pelson/gitwash

Update gitwash
simplify notations
Merge pull request #1043 from sciunto/joblib

DOC: Add user guide parallelization
Merge pull request #1135 from stefanv/freeimage_big_endian

Fix indexing bug in freeimage plugin (closes #1111)
BUG: add signed flag to chars

Sign of char is undefined and there are numerous places where its sign
is important. Fixes tests with -funsigned-char.
Closes gh-1110
DOC: introduce variable num_peaks for reusability
Merge pull request #1136 from juliantaylor/signed-char

BUG: add signed flag to chars