Add support for passing in jQuery objects to the Rivets.View constructor. [Closes #22]

@@ -75,6 +75,9 @@
 
       this.bindingRegExp = __bind(this.bindingRegExp, this);
 
+      if (this.el.jquery) {
+        this.el = this.el.get(0);
+      }
       this.build();
     }
 

@@ -52,6 +52,7 @@ class Rivets.View
   # The parent DOM element and the model objects for binding are passed into the
   # constructor.
   constructor: (@el, @models) ->
+    @el = @el.get(0) if @el.jquery
     @build()
 
   # Regular expression used to match binding attributes.