GUI -- Cycling through icons in table headers:
- An object is returned that has the current column ID and which icon/sorting needs to take place when sent to the server
- clicking on each header will display to the debug console which way it will be sorted

Change-Id: I686d417a5b9b0e5c9b591380b8a6166c70c3c401
diff --git a/web/gui/src/main/webapp/app/view/device/device.html b/web/gui/src/main/webapp/app/view/device/device.html
index 08b40ec..7aaf8db 100644
--- a/web/gui/src/main/webapp/app/view/device/device.html
+++ b/web/gui/src/main/webapp/app/view/device/device.html
@@ -6,18 +6,18 @@
            ng-style="setTableHW()">
         <thead>
             <tr>
-                <th></th>
-                <th>URI
+                <th colId="available"></th>
+                <th colId="id">URI
                     <div class="inline-icon"
                          icon icon-id="tableColSortAsc"
                          icon-size="10">
                     </div>
                 </th>
-                <th>Vendor</th>
-                <th>Hardware Version</th>
-                <th>Software Version</th>
-                <th>Serial Number</th>
-                <th>Protocol</th>
+                <th colId="mfr">Vendor</th>
+                <th colId="hw">Hardware Version</th>
+                <th colId="sw">Software Version</th>
+                <th colId="serial">Serial Number</th>
+                <th colId="protocol">Protocol</th>
             </tr>
         </thead>