cumtrapz and trapz deprecated

[wingena]

in unstructured/python/m3dc1/gfile.py
replace
from scipy.integrate import trapz
from scipy.integrate import cumtrapz
with
try: from scipy.integrate import trapz
except: from scipy.integrate import trapezoid as trapz
try: from scipy.integrate import cumtrapz
except: from scipy.integrate import cumulative_trapezoid as cumtrapz

Also, in the Fusion IO library, specifically in fpy.py
replace
from scipy.integrate import cumtrapz
with
try: from scipy.integrate import cumtrapz
except: from scipy.integrate import cumulative_trapezoid as cumtrapz