Close package info sheet when back navbar button presed on tablet

www/assets/js/map.js

@@ -118,7 +118,7 @@ function openPackageInfoSheet(coordid, refreshOnly) {
                         + '</li>');
             }
 
-            if (!refreshOnly) {
+           if (!refreshOnly) {
                 app.sheet.create({el: "#package-info-sheet"}).open();
             }
         }

www/pages/map.html

@@ -8,7 +8,7 @@
         <div class="navbar-bg"></div>
         <div class="navbar-inner">
             <div class="left">
-                <a class="link" onclick="router.back({force: true, ignoreCache: true})">
+                <a class="link" onclick="app.sheet.close('#package-info-sheet', false); router.back({force: true, ignoreCache: true})">
                     <i class="icon icon-back"></i>
                     <span class="if-not-md">Back</span>
                 </a>