Update common role

- Add secure-secure-shell task
- Add unattended-upgrades task
- Change package installation tasks
- Remove website tasks from generic services group

roles/common/tasks/user-sanity.yml

@@ -0,0 +1,25 @@
+---
+- name: purge vim-tiny
+  apt:
+    name: vim-tiny
+    state: absent
+    purge: yes
+
+- name: install user sanity packages
+  apt:
+    name: "{{ item }}"
+    state: present
+  with_items: "{{ user_sanity_packages }}"
+
+- name: check for /etc/screenrc
+  stat: path=/etc/screenrc
+  register: f
+
+- name: disable screen startup message
+  lineinfile:
+    dest: /etc/screenrc
+    regexp: '^#(startup_message off)$'
+    line: '\1'
+    backrefs: yes
+    backup: yes
+  when: f.stat.exists