Add a new gitolite/base role

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

roles/gitolite/base/tasks/main.yml

@@ -0,0 +1,10 @@
+---
+# tasklist for setting up a basic gitolite
+
+- name: install the needed packages
+  yum: pkg={{item}} state=present
+  with_items:
+  - gitolite
+
+- name: ensure the /etc/gitolite directory
+  file: path=/etc/gitolite owner=root group=root mode=0755 state=directory