Integrate Authentication modules.

Updated code for sql that should not use parameters
   to expand :table_name in table name usage,
   since Eiffel Store will use quote,
   and MySQL does not like them.

Merge remote-tracking branch 'jvelilla/roc_auth_v1' into ewf_v1_mod_env

Conflicts:
	examples/demo/demo-safe.ecf
	modules/auth/cms_authentication_module.e

examples/demo/modules/blog/cms_blog_module.e

@@ -74,7 +74,7 @@ CREATE TABLE blog_post_nodes(
   `tags` VARCHAR(255)
 );
 					]"
-					l_sql_storage.sql_execute_script (sql)
+					l_sql_storage.sql_execute_script (sql, Void)
 					if l_sql_storage.has_error then
 						api.logger.put_error ("Could not initialize database for blog module", generating_type)
 					end