DOCS: standardize on EXAMPLES (a.k.a. Docs-JumboPatch JetLag Edition)

Migrated all examples: in DOCUMENTATION=''' string to standalone EXAMPLES=''' string
  Added deprecation warning to moduledev.rst and remove deprecated example from it
  Fixed up a few typos and uppercased some acronyms.
  add consistency to how EXAMPLES are formatted

library/system/ping

@@ -28,12 +28,14 @@ description:
      contact. It does not make sense in playbooks, but it is useful from
      C(/usr/bin/ansible)
 options: {}
-examples:
-   - code: ansible webservers -m ping
-     description: Test 'webservers' status
 author: Michael DeHaan
 '''
 
+EXAMPLES = '''
+# Test 'webservers' status
+ansible webservers -m ping
+'''
+
 def main():
     module = AnsibleModule(
         argument_spec = dict(