init variables in translator

public/src/translator.js

@@ -108,6 +108,8 @@
 
 		for (var key in keys) {
 			if (keys.hasOwnProperty(key)) {
+				//check for additional variables then keys[key].split(/[,][?\s+]/);
+
 				var parsedKey = keys[key].replace('[[', '').replace(']]', '').split(':'),
 					languageFile = parsedKey[0];
 

public/templates/topic.tpl

@@ -27,7 +27,7 @@
 
 						<div class="topic-buttons">
 							<div class="btn-group">
-								<button class="btn btn-sm btn-default dropdown-toggle" data-toggle="dropdown" type="button" title="Posted by {main_posts.username}">
+								<button class="btn btn-sm btn-default dropdown-toggle" data-toggle="dropdown" type="button" title="[[topic:posted_by, {main_posts.username}]]">
 									<span class="username-field" href="/user/{main_posts.userslug}">{main_posts.username}&nbsp;</span>
 									<span class="caret"></span>
 								</button>