Make the no_zeros_in_inputs parameter of Prod() available to the user.
Fix display of the doc of prod()
Merge pull request #1694 from nouiz/prod_no_zeros_in_inputs

Make the no_zeros_in_inputs parameter of Prod() available to the user.
Fix include path for numpy_compat.h following change in compyte.
Merge pull request #1695 from abergeron/fix_npcompat

Fix include path for numpy_compat.h following change in compyte.
Do not use arrays as conditions, explicitly test against None
Merge pull request #1696 from lamblin/fix_scan_valueerror

Do not use arrays as conditions, explicitly test against None