small fixes for semcog deployment#319

Merged

toliwaga merged 5 commits intoActivitySim:developfrom

SEMCOG:develop

May 6, 2020

Commits on Apr 17, 2020

improved validation diagnostics in trip_purpose and various windows-related int32/int64 conversions
Jeffrey Doyle
committed
pycodestyle
Jeffrey Doyle
committed
deprecations in test code
Jeffrey Doyle
committed

Commits on Apr 20, 2020

fix bug in handling of no viable trips case in choose_trip_destination
Jeffrey Doyle
committed

Commits on Apr 21, 2020

add trace folder to example_mtc output folder
toliwaga
committed