Reduce output from ansible playbooks. Some minor changes.

roles/common/tasks/first-run.yml

@@ -0,0 +1,11 @@
+---
+
+- hosts: o25.oopen.de
+
+  tasks:
+
+  - name: Ensure aptitude is present
+    raw: test -e /usr/bin/aptitude || apt-get install aptitude -y
+
+  - name: Ensure python2 is present (This is necessary for ansible to work properly)
+    raw: test -e /usr/bin/python || (apt -y update && apt install -y python-minimal)