Released Fri April 6, 2018
* Removed examples; use notebooks or help instead
* cx.view_image_list() can have layout=None, (int, None), or (None, int)
* Added cx.scale(vector, range, dtype, truncate)
* Added cx.scatter_images(images, xys) - creates scatter plot of images
* Fixed pca.translate(scale=SCALE) bug
* downgrade tensorflow on readthedocs because memory hog kills build