Installer: List Amend Scripts in a Single Place#153

Open

devilgate wants to merge 3 commits intomasterfrom

installer_list_amend_scripts_in_single_place

Commits on Apr 9, 2019

Make installer find alter scripts instead of having them hardcoded.
devilgate
committed

Commits on Apr 10, 2019

Add a schema reference that somehow had still been missed.
devilgate
committed
Add import details to the README, and a couple of changes suggested by pylint.
devilgate
committed