Mahotas

* Add `short` argument to citation() function
* Add `max_iter` argument to thin() function
* Fixed labeled.bbox when there is no background (issue 61, reported by
Daniel Haehn)
* Added ``mahotas-features.py`` script
* bbox now allows dimensions greater than 2 (including when using the
``as_slice`` and ``border`` arguments)
* Extended croptobbox for dimensions greater than 2
* Added use_x_minus_y_variance option to haralick features
* Add function ``lbp_names``

* Improve memory handling in freeimage.write_multipage
* Fix moments parameter swap
* Add labeled.bbox function
* Add `return_mean` and `return_mean_ptp` arguments to haralick function
* Add difference of Gaussians filter (by Jianyu Wang)
* Add Laplacian filter (by Jianyu Wang)
* Fix crash in median_filter when mismatched arguments are passed
* Fix gaussian_filter1d for ndim > 2

* Add PIL based IO

* Export mean_filter at top level
* Fix to Zernike moments computation (reported by Sergey Demurin)
* Fix compilation in platforms without npy_float128 (patch by Gabi Davar)

* Add minlength argument to labeled_sum
* Generalize regmax/regmin to work with floating point images
* Allow floating point inputs to ``cwatershed()``
* Correctly check for float16 & float128 inputs
* Make sobel into a pure function (i.e., do not normalize its input)
* Fix sobel filtering

* Explicitly set numpy.include_dirs() in setup.py [patch by Andrew
Stromnov on github]