normalize docs in cache/connection plugins (#9453)

Normalize doc blocks for plugins

plugins/connection/funcd.py

@@ -9,24 +9,24 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-DOCUMENTATION = '''
-    author: Michael Scherer (@mscherer) <misc@zarb.org>
-    name: funcd
-    short_description: Use funcd to connect to target
+DOCUMENTATION = r"""
+author: Michael Scherer (@mscherer) <misc@zarb.org>
+name: funcd
+short_description: Use funcd to connect to target
+description:
+  - This transport permits you to use Ansible over Func.
+  - For people who have already setup func and that wish to play with ansible, this permit to move gradually to ansible without
+    having to redo completely the setup of the network.
+options:
+  remote_addr:
     description:
-        - This transport permits you to use Ansible over Func.
-        - For people who have already setup func and that wish to play with ansible,
-          this permit to move gradually to ansible without having to redo completely the setup of the network.
-    options:
-      remote_addr:
-        description:
-            - The path of the chroot you want to access.
-        type: string
-        default: inventory_hostname
-        vars:
-            - name: ansible_host
-            - name: ansible_func_host
-'''
+      - The path of the chroot you want to access.
+    type: string
+    default: inventory_hostname
+    vars:
+      - name: ansible_host
+      - name: ansible_func_host
+"""
 
 HAVE_FUNC = False
 try: