Use png rather than jpg for chelsea image
Use png rather than jpg for ihc image
Fix image filename extension from .jpg to .png
Convert to ubyte dtype explicitly for python 3
Fix dtype bug in color tests for python 3
Convert to ubyte dtype explicitly
Deprecate bresenham function
Replace all occurences of bresenham with line
Pass error return code of example scripts and exit
Mentioned the Neurodebian repo in the install doc
DOC: Comment on the behavior of ``histogram`` for color images.
Merge pull request #539 from ahojnnes/bresenham-deprecate

Deprecate bresenham function
Add __all__ to color package
Add __all__ to exposure package
Explicitly import color functions
Add __all__ to data package
Add __all__ to draw package
Add __all__ to feature package
Add __all__ to filter package
Add __all__ to rank filter package