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/meta/main.yml

@@ -0,0 +1,12 @@
+galaxy_info:
+  author: Thomas Woerner
+  description: A role to configure krb5
+  company: Red Hat, Inc
+
+  license: GPLv3
+
+  min_ansible_version: 2.0
+
+  galaxy_tags: [ 'identity', 'ipa']
+
+dependencies: []