simplify browser. now we can have more than one in a project.

src/atom/browser.coffee

@@ -8,17 +8,14 @@ class Browser extends Resource
 
   url: null
 
-  html: $ "<div id='browser'></div>"
-
-  iframe: ->
-    $ "<iframe src='#{@url}' style='width:100%;height:100%'></iframe>"
-
   open: (url) ->
     return false if not /^https?:/.test url
 
     @url = url
-    @html.html @iframe().bind 'load', (e) =>
-      window.setTitle e.target.contentWindow.document.title
+
+    @html = """
+      <iframe src='#{@url}' style='width:100%;height:100%'></iframe>
+    """
 
     @show()