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/debug.py

@@ -1,3 +1,17 @@
+# (c) 2017 Ansible Project
+# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+'''
+DOCUMENTATION:
+    callback: debug
+    type: stdout
+    short_description: formated stdout/stderr display
+    description:
+      - Use this callback to sort though extensive debug output
+    version_added: "2.4"
+    requirements:
+      - set as stdout in configuration
+'''
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type