Corrected duplicate variable declarations, variable name change from 'var_index' to 'rot_index' and corrected minor bugs
Review the procedure
Add note describing array copy if discontiguous
Add docstring note explaining coord use case
DOC: this step seems to be useless
Add PyAMG to the optional dependencies list
Update PyAMG URL (no longer in Google Code)
Merge pull request #672 from jni/chull-fix

Convex hull fix
Merge pull request #710 from jni/pyamg-depends

Add pyamg to the optional dependencies
Merge pull request #638 from sciunto/contribute

DOC: Activate travis for a fork.
Added a wrapper around ndimage's Gaussian filter

This version of the Gaussian filter

 * uses 'nearest' as the default boundary mode. This can be discussed,
   but I had the impression that for images this is the most relevant
   mode ('extending' boundaries)

 * has a `multichannel` keyword, so that each color channel can be
   filtered separately. For now no attempt is made at guessing whether
   the image has color channels or not.
DOC: add titles to plots
Finalized changes. Added reference for non rotation-invariant uniform patterns. Added test case. Modified comments to clarify the process, and changed the code to make it more consistent with explanations and actuall encoding
Merge pull request #711 from sciunto/minordoc

DOC: Add titles to plots (watershed).
DOC: corrected description of multichannel parameter
Corrected name in reference [2]
[BUG] iterable sigma and multichannel

+ docstring improvement
Changed link to the reference [2]
Gaussian filter function: changed the default value of multichannel

Now we try to guess automatically whether the image is grayscale or RGB
Merge pull request #712 from emmanuelle/gaussian_filter

Add a wrapper around `scipy.ndimage.gaussian_filter` with useful default behaviors.