Add pre-nep for a copule of structured_array_extensions.
Add pre-nep for a copule of structured_array_extensions.

git-svn-id: 77a43f9646713b91fea7788fad5dfbf67e151ece@8461 94b884b6-d6fd-0310-90d3-974f1d3f35e1

Ademan/NumPy-GSoC,Ademan/NumPy-GSoC,Ademan/NumPy-GSoC,Ademan/NumPy-GSoC