fixes to config/setting retrieval

- better variable precedence management
- universal plugin option handling
- also updated comments for future directions
- leverage fragments for plugins
- removed fact namespacing
- added 'firendly name' field
- updated missing descriptions
- removed some unused yaml entries, updated others to reflect possible future
- documented more plugins
- allow reading docs using alias
- short licenses
- corrected args for 'all plugins'
- fixed -a option for ansible-doc
- updated vars plugins to allow docs
- fixed 'gathering'
- only set options IF connection
- added path list and renamed pathspec mostly the diff is , vs : as separator
- readded removed config entries that were deprecated but had no message ... and deprecated again
- now deprecated entries give warning when set

lib/ansible/plugins/connection/lxc.py

@@ -1,19 +1,31 @@
 # (c) 2015, Joerg Thalheim <joerg@higgsboson.tk>
-#
-# 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/>.
+# Copyright (c) 2017 Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+"""
+DOCUMENTATION:
+    author: Joerg Thalheim <joerg@higgsboson.tk>
+    connection: lxc
+    short_description: Run tasks in lxc containers via lxc python library
+    description:
+        - Run commands or put/fetch files to an existing lxc container using lxc python library
+    version_added: "2.0"
+    options:
+      remote_addr:
+        description:
+            - Container identifier
+        default: The set user as per docker's configuration
+        vars:
+            - name: ansible_host
+            - name: ansible_lxc_host
+      executable:
+        default: /bin/sh
+        description:
+            - Shell executable
+        vars:
+            - name: ansible_executable
+            - name: ansible_lxc_executable
+"""
 
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type