Some additions to the user guide: getting started section +
section on common numpy operations.
Minor modifications following review by Johannes
Add OSX wheel generation instructions and upload script
Update wheel URL
Get tags from current repo
Indicate waiting time before wheels become available
Remember to update stable docs link.  Check timestamp on wheels before posting.
BUG: segmentation fault when unwrapping 3d image

Unwrapping a 3D image using unwrap_phase no longer causes a segmentation
fault when the wrap_around parameter is True for the middle dimension.
Update error message for no plugins
Print correct version when dependency is not satisfied
Use recommended extern import method for cython
Merge pull request #1213 from blink1073/fix-windows-install

Use Recommended "extern" Import Method for Cython
Merge pull request #1210 from stefanv/doc/io_null_doc

Update error message for no plugins
Merge pull request #1211 from stefanv/bug/setup_dependency_error

Print correct version when dependency is not satisfied
Remove null plugin since we have the pil plugin as a requirement
Update tests to use default plugins.
Clean up the imports in the pil_plugin
Use matplotlib as the default imshow
Merge pull request #1214 from blink1073/remove-null-plugin

Remove null_plugin in Favor of  the pil_plugin
Remove contiguous conversion for out array