Timezone handling (#70)

* supply TZ info in php template

* should be already set in default_vars

* elgg - softcode timezone

* use supplied variable in php template

* guard against TZ not being present in env

roles/mysql/tasks/main.yml

@@ -90,9 +90,6 @@
       mysql_db: db=test state=absent
       when: mysql_enabled
 
-    - name: Set the php default date, so it does not complain
-      lineinfile: line="date.timezone = {{ local_tz }}" dest=/etc/php.ini
-
 # we had to start mysql in order to configure it, now turn if off if not enabled
     - name: Provisioally Disable the MySQL service
       service: name={{ mysql_service }}