Added ipa- prefix to krb5 and sssd roles as these are ansible-freeipa specific

These roles will most likely not work in the common case. Therefore the roles
have been renamed.

The ipa-krpb5 role is used by ipcalient, but the ipa-sssd role is currently
not used.

roles/ipa-krb5/tasks/main.yml

@@ -0,0 +1,18 @@
+---
+- name: Install {{ krb5_packages }}
+  package: name="{{ item }}" state=present
+  with_items: "{{ krb5_packages }}"
+
+- name: Install - Backup krb5.conf
+  ipafstore:
+    backup: "{{ krb5_conf }}"
+
+- name: Template krb5.conf
+  template:
+    src: krb5.conf.j2
+    dest: "{{ krb5_conf }}"
+    backup: no
+    owner: root
+    group: root
+    mode: 0644
+    force: yes