Huge role refactoring/cleanup. Other commits will propably follow. Because some bugs will exist. Still important for longrun and also for auto docs/help/slideshow generation

roles/core-sudo/tasks/main.yml

@@ -0,0 +1,10 @@
+- name: install sudo
+  package:
+    name:   sudo
+    state:  present
+  when: run_once_sudo is not defined
+
+- name: run the sudo tasks once
+  set_fact:
+    run_once_sudo: true
+  when: run_once_sudo is not defined