pick_ori instead of pick_normal in minimum_norm tests

Tests now fail
pick_ori instead of pick_normal in minimum_norm

Tests now pass
pick_ori instead of pick_normal in minimum_norm examples

All examples build as before API change
pick_ori instead of pick_normal in comment
Update what's new
Add deprecation warnings for pick_normal
FIX Move pick_normal param after verbose
PEP8
Place API change under 0.7 in What's new