Documentation and automatic documentation

- added POD to Role.pm
- added README.md files translated from Role.pm POD
- added an autodoc script (based on AutoDoc.pm role). The script prints
a listing of the methods built in Role.pm
- added class_documentation() and method_documentation() accessors on
all object and API classes which return the documentation supplied in
the Swagger spec for the API

modules/swagger-codegen/src/main/resources/perl/api.mustache

@@ -73,7 +73,7 @@ sub new {
 	},
 {{/allParams}}
 	};
-	__PACKAGE__->method_documentation->{ {{{nickname}}} } = { summary => '{{{summary}}}',
+	__PACKAGE__->method_documentation->{ {{nickname}} } = { summary => '{{summary}}',
 										 				 	  params => $params,
 										 					  returns => {{#returnType}}'{{{returnType}}}'{{/returnType}}{{^returnType}}undef{{/returnType}},
 										 					  };