allow in the field twiddling of pbx_use_apache post-install

roles/pbx/tasks/apache.yml

@@ -42,10 +42,10 @@
 
 - name: "Set 'pbx_apache_installed: True'"
   set_fact:
-    pbx_apache_installed: True
+    apache_installed: True
 
 - name: "Add 'pbx_apache_installed: True' to {{ iiab_state_file }}"
   lineinfile:
     path: "{{ iiab_state_file }}"    # /etc/iiab/iiab_state.yml
-    regexp: '^pbx_apache_installed'
-    line: 'pbx_apache_installed: True'
+    regexp: '^apache_installed'
+    line: 'apache_installed: True'

roles/pbx/tasks/freepbx.yml

@@ -70,11 +70,6 @@
   include_tasks: roles/www_options/tasks/php-settings.yml
   when: php_settings_done is undefined
 
-- name: FreePBX - Install and configure Apache - if pbx_use_apache
-  include_tasks: apache.yml
-  when: pbx_use_apache
-
-
 # - name: FreePBX - Download {{ freepbx_url }}/{{ freepbx_src_file }} to {{ downloads_dir }}
 #   get_url:
 #     url: "{{ freepbx_url }}/{{ freepbx_src_file }}"

roles/pbx/tasks/main.yml

@@ -18,6 +18,9 @@
     fail_msg: "PLEASE GIVE VARIABLE 'pbx_enabled' A PROPER (UNQUOTED) ANSIBLE BOOLEAN VALUE e.g. IN: /etc/iiab/local_vars.yml"
     quiet: yes
 
+- name: FreePBX - Install and configure Apache - if pbx_use_apache
+  include_tasks: apache.yml
+  when: pbx_use_apache and apache_installed is undefined
 
 - block: