[python-EnvisagePlugins] (5 commits) ...Initial pseudo merge for dist-git setup

[supercyper]

Summary of changes:

  22dafe3... Fix typo that causes a failure to update the common directo (*)
  6cc6b9d... Updated to 3.1.1 (*)
  e780ab2... Initialize branch F-13 for python-EnvisagePlugins (*)
  e720644... dist-git conversion (*)
  2ef8f3f... Initial pseudo merge for dist-git setup

(*) This commit already existed in another branch; no separate mail sent