NEP29+1y: Set minimum numpy to 1.13

Author: effigies

nipype/info.py

@@ -100,7 +100,7 @@ def get_nipype_gitversion():
 # versions
 NIBABEL_MIN_VERSION = "2.1.0"
 NETWORKX_MIN_VERSION = "1.9"
-NUMPY_MIN_VERSION = "1.12"
+NUMPY_MIN_VERSION = "1.13"
 # Numpy bug in python 3.7:
 # https://www.opensourceanswers.com/blog/you-shouldnt-use-python-37-for-data-science-right-now.html
 NUMPY_MIN_VERSION_37 = "1.15.3"