Web UI improvements

- Optimize translation code
- Cosmetic fixes to dialogs
- Display qBittorrent version in about dialog

src/webui/scripts/download.js

@@ -22,7 +22,7 @@
  */
 
 window.addEvent('domready', function(){
-        $('urls').focus();
+  $('urls').focus();
 	$('downButton').addEvent('click', function(e){
 		new Event(e).stop();
 		new Request({url: '/command/download', method: 'post', data: {urls: $('urls').value},

src/webui/scripts/mocha-init.js

@@ -71,8 +71,8 @@ initializeWindows = function(){
 			maximizable: false,
 			paddingVertical: 0,
 			paddingHorizontal: 0,
-			width: 500,
-			height: 150
+			width: 600,
+			height: 170
 		});
 	});
 	
@@ -275,10 +275,10 @@ initializeWindows = function(){
 		new MochaUI.Window({
 			id: 'aboutpage',
 			title: 'About',
-			loadMethod: 'iframe',
+			loadMethod: 'xhr',
 			contentURL: 'about.html',
 			width: 650,
-			height: 400,
+			height: 200,
 			padding: 10
 		});
 	});