Tag tasks to quickly set crontabs

tasks/install.yml

@@ -170,6 +170,7 @@
   with_subelements:
     - '{{ drupal.domains }}'
     - crontabs
+  tags: 'cron'
 
 - name: "Ensure Database"
   mysql_db:

tasks/users.gitscript.yml

@@ -41,3 +41,4 @@
     job='{{ webRoot }}/.update >/dev/null 2>&1'
     user='root'
   when: drupal.src.cron is defined
+  tags: 'cron'