Added all files

examples/019_facts/roles/nginx/tasks/main.yml

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+---
+- name: install tools
+  apt: name={{item}} state=present update_cache=yes
+  with_items:
+    - python-httplib2
+
+- name: install nginx
+  apt: name=nginx state=present update_cache=yes
+
+- name: configure nginx site
+  template: src=nginx.conf.j2 dest=/etc/nginx/sites-available/demo mode=0644
+  notify: restart nginx
+
+- name: de-activate default nginx site
+  file: path=/etc/nginx/sites-enabled/default state=absent
+  notify: restart nginx
+
+- name: activate demo nginx site
+  file: src=/etc/nginx/sites-available/demo dest=/etc/nginx/sites-enabled/demo state=link
+  notify: restart nginx
+
+- name: ensure nginx started
+  service: name=nginx state=started enabled=yes