added 'dir' value into language.json, added support for translator to add dir attribute to html element if necessary

public/language/ar/language.json

@@ -1,4 +1,5 @@
 {
 	"name": "العربية",
-	"code": "ar"
+	"code": "ar",
+	"dir": "rtl"
 }

public/src/translator.js

@@ -47,8 +47,15 @@
 			$.getScript(RELATIVE_PATH + '/vendor/jquery/timeago/locales/jquery.timeago.' + languageCode + '.js').fail(function() {
 				$.getScript(RELATIVE_PATH + '/vendor/jquery/timeago/locales/jquery.timeago.en.js');
 			});
+
+			// Add directional code if necessary
+			translator.get('language:dir', function(value) {
+				if (value) {
+					$('html').attr('dir', value);
+				}
+			});
 		}
-	}
+	};
 
 	translator.get = function (key, callback) {
 		var parsedKey = key.split(':'),
@@ -76,7 +83,7 @@
 		}
 
 		async.map(keys, getKey, callback);
-	}
+	};
 
 	translator.translate = function (data, callback) {
 		var keys = data.match(/\[\[.*?\]\]/g),
@@ -103,7 +110,9 @@
 				var variables = keys[key].split(/[,][?\s+]/);
 
 				var parsedKey = keys[key].replace('[[', '').replace(']]', '').split(':');
-				if (!(parsedKey[0] && parsedKey[1])) continue;
+				if (!(parsedKey[0] && parsedKey[1])) {
+					continue;
+				}
 
 				var languageFile = parsedKey[0];
 				parsedKey = parsedKey[1].split(',')[0];