Adds module doc fragment for F5 modules

To reduce documentation duplication, this module fragment is
being created for use in all F5 modules.

lib/ansible/utils/module_docs_fragments/f5.py

@@ -0,0 +1,52 @@
+# -*- coding: utf-8 -*-
+#
+# This file is part of Ansible
+#
+# Ansible is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# Ansible is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
+
+
+class ModuleDocFragment(object):
+    # Standard F5 documentation fragment
+    DOCUMENTATION = '''
+options:
+  password:
+    description:
+      - The password for the user account used to connect to the BIG-IP.
+    required: true
+  server:
+    description:
+      - The BIG-IP host.
+    required: true
+  server_port:
+    description:
+      - The BIG-IP server port.
+    required: false
+    default: 443
+    version_added: 2.2
+  user:
+    description:
+      - The username to connect to the BIG-IP with. This user must have
+        administrative privileges on the device.
+    required: true
+  validate_certs:
+    description:
+      - If C(no), SSL certificates will not be validated. This should only be
+        used on personally controlled sites using self-signed certificates.
+    required: false
+    default: yes
+    choices:
+      - yes
+      - no
+    version_added: 2.0
+'''