Add a new cgit/clean_lock_cron role

This will be needed to migrate Dist Git from puppet to ansible.

roles/cgit/clean_lock_cron/files/clean-lock.cron

@@ -0,0 +1,2 @@
+*/15 * * * * root find /var/cache/cgit/ -cmin +60 -name '*.lock' -type f -delete -maxdepth 1
+

roles/cgit/clean_lock_cron/tasks/main.yml

@@ -0,0 +1,5 @@
+---
+# tasklist for setting up the Cron job cleaning CGit locks
+
+- name: install the cron file
+  copy: src=clean-lock.cron dest=/etc/cron.d/cgit-clean-lock.cron mode=0644