add cancel button to identify popup

dashboard-ui/css/librarybrowser.css

@@ -627,7 +627,7 @@ a.itemTag:hover {
     }
 }
 
-@media all and (max-width: 750px) {
+@media all and (max-width: 800px) {
 
     .libraryViewNav {
         display: none !important;
@@ -638,7 +638,7 @@ a.itemTag:hover {
     }
 }
 
-@media all and (min-width: 750px) {
+@media all and (min-width: 800px) {
 
     .libraryMenuButton {
         display: none;

dashboard-ui/edititemmetadata.html

@@ -396,7 +396,7 @@
             <div data-role="content">
 
                 <form class="popupIdentifyForm" style="max-width: initial;">
-                    
+
                     <p>Enter one or more search criteria.</p>
 
                     <div>
@@ -415,6 +415,9 @@
                         <button type="submit" data-theme="b" data-icon="search" data-mini="true">
                             Search
                         </button>
+                        <button type="button" data-icon="delete" data-mini="true" onclick="$(this).parents('.popup').popup('close');">
+                            Cancel
+                        </button>
                     </p>
                 </form>