make sure non-created pages are hidden. Fixes jquery-archive#946

Author: scottjehl

themes/default/jquery.mobile.core.css

@@ -17,7 +17,7 @@
 .landscape {  }
 
 /* "page" containers - full-screen views, one should always be in view post-pageload */
-.ui-page { top: 0; left: 0; width: 100%; min-height: 100%; position: absolute; display: none; border: 0; } 
+[data-role=page], [data-role=dialog], .ui-page { top: 0; left: 0; width: 100%; min-height: 100%; position: absolute; display: none; border: 0; } 
 .ui-page-active { display: block; overflow: visible; min-height: 100%; }
 
 /* loading screen */