temporary fix until remarkable is updated in markdown plugin

https://github.com/jonschlinkert/remarkable/issues/88#issuecomment-60885589

src/postTools.js

@@ -172,7 +172,7 @@ var winston = require('winston'),
 	};
 
 	PostTools.parse = function(raw, callback) {
-		parse('filter:post.parse', raw, callback);
+		parse('filter:post.parse', raw + '\n', callback);
 	};
 
 	PostTools.parseSignature = function(raw, callback) {