Add more tools such as emacs-nox

roles/common-tools/tasks/main.yml

@@ -8,10 +8,15 @@
       - ntp  # network time sync
       - apt  # better than apt-get
       - vim  # better than nano @vulcain
+      - emacs-nox  # for maman
       - htop  # better than top
       - zsh  # to be able to ssh @erdnaxe
       - fish  # to motivate @edpibu
       - oidentd  # postgresql identification
+      - aptitude  # nice to have
+      - acl  # advanced ACL
+      - iotop  # monitor i/o
+      - tree  # <3
   register: apt_result
   retries: 3
   until: apt_result is succeeded