Improved loading indicators. Added % loaded to viewports and thumbnails

LesionTracker/client/head.html

@@ -2,7 +2,7 @@
     <meta charset="utf-8">
     <title>Lesion Tracker</title>
     <meta name="description" content="Prototype viewer application for oncology">
-    <meta name="viewport" content="user-scalable=no, initial-scale=1, minimal-ui, maximum-scale=1, minimum-scale=1" />
+    <meta name="viewport" content="user-scalable=no, initial-scale=1,maximum-scale=1, minimum-scale=1" />
     <link rel="shortcut icon" type="image/png" href="images/logo.png" sizes="16x16 32x32 64x64">
     <!--Best display for mobile devices-->
     <meta http-equiv="cleartype" content="on">