Adds functionality to generate ipython notebooks for the gallery examples
Fixes for making code more pythonic, follow conventions
added testcases for greycomatrix
for angles pi/4 and 3*pi/4
Fix LBP variance calculation.
Fix random seed for test stability.
No need to take the center of the results twice.
update info about PIL
forgot a aword
Merge pull request #968 from sciunto/req

update info about PIL
Merge pull request #967 from pberkes/fix/lbp-variance

Fix LBP variance calculation (closes #966)
Merge pull request #955 from neerajgangwar/add-test-greycomatrix

Add test cases for greycomatrix
Fix parameter documentation in corner_peaks (closes #901)
Merge pull request #970 from stefanv/doc/peak_local_max

Fix parameter documentation in corner_peaks (closes #901)
Print warnings while testing
added cython file
made methods private
doc strings
pep8 cython file
added python call and doc strings
removed print