numpy updates

[Drew Parsons <dparsons@debian.org>]

Hi Sandro, I've pushed a numpy patch that should allow pymca tests to 
pass again (bugs #935454, #933056). Once pymca is running successfully 
again, we'll be able to remove its python2.

I recommend uploading numpy 1:1.16.2-2 to help that along (probably 
safer to patch 1.16 to fix these bugs before updating to 1.17 I reckon).

Drew