New feature: install nginx from backports

tasks/main.yml

@@ -1,10 +1,15 @@
 ---
 
 - name: APT | Install nginx and dependencies
-  apt: pkg={{ item }} state=latest update_cache=yes cache_valid_time=3600
-  with_items:
-    - "{{ nginx_apt_package }}"
-    - python-passlib
+  apt: >
+    pkg={{ nginx_apt_package }}
+    state=present
+    update_cache=yes
+    cache_valid_time=3600
+    default_release={{ ansible_distribution_release + '-backports' if nginx_backports else ansible_distribution_release }}
+
+- name: APT | Install python-passlib
+  apt: pkg=python-passlib state=present
 
 - name: SHELL | Get Nginx version
   shell: nginx -v 2>&1 | sed -r 's#.*/##;' | cut -d ' ' -f 1