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/callback/hipchat.py

@@ -1,21 +1,42 @@
 # (C) 2014, Matt Martz <matt@sivel.net>
+# (c) 2017 Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
 
-# 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/>.
+'''
+DOCUMENTATION:
+    callback: hipchat
+    type: notification
+    short_description: post task events to hipchat
+    description:
+      - The chatty part of ChatOps with a Hipchat server as a target
+      - This callback plugin sends status updates to a HipChat channel during playbook execution.
+    version_added: "1.6"
+    requirements:
+      - prettytable (python lib)
+    options:
+      token:
+        description: HipChat API token
+        required: True
+        env:
+          - name: HIPCHAT_TOKEN
+      room:
+        description: HipChat room to post in.
+        default: ansible
+        env:
+          - name: HIPCHAT_ROOM
+      from:
+        description:  Name to post as
+        default: ansible
+        env:
+          - name: HIPCHAT_FROM
+      notify:
+        description: Add notify flag to important messages
+        type: bool
+        default: True
+        env:
+          - name: HIPCHAT_NOTIFY
+'''
 
-# Make coding more python3-ish
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type