HPCC-2958 Configmr - buildset for dropzone is mixed

- BuildSet column is not needed and is removed
- Reclaim screen real estate and increase Navigator frame size

Signed-off-by: Gleb Aronsky <gleb.aronsky@lexisnexis.com>

esp/files/configmgr.html

@@ -921,7 +921,7 @@ You need to have Javascript enabled in order to use ConfigMgr. Please enable Jav
          top.document.layout = new YAHOO.widget.Layout({
             units: [
                 { position: 'top', height: 60, body: 'top1', zindex: 9999 },
-                { position: 'left', header: 'Navigator', useShim:true, width: 400, resize: true, body: 'left1', gutter: '5px', collapse: true, collapseSize: 20, scroll: true, zindex: 9999},
+                { position: 'left', header: 'Navigator', useShim:true, width: 325, resize: true, body: 'left1', gutter: '5px', collapse: true, collapseSize: 20, scroll: true, zindex: 9999},
                 { position: 'center', body: 'center1', resize: true, zindex: 9999 }
             ]
         });

esp/files/scripts/configmgr/navtree.js

@@ -373,12 +373,12 @@ function createNavigationTree(navTreeData) {
   var navDT = new YAHOO.widget.ScrollingDataTable(
             'pageBody',
             [
-                { key: "DisplayName", label: "Name", width: 275, maxAutoWidth: 275, formatter: function(el, oRecord, oColumn, oData) {
+                { key: "DisplayName", label: "Name", width: 325, maxAutoWidth: 325, formatter: function(el, oRecord, oColumn, oData) {
                   el.innerHTML = "<div id='depth" + oRecord.getData('depth') + "'>" + oData + "</div>";
                   Dom.addClass(el, 'yui-dt-liner depth' + oRecord.getData('depth'));
                 }, scrollable: true, resizeable: true
                 },
-                { key: "BuildSet", width: 125, resizeable: true }
+                { key: "BuildSet", width: 125, resizeable: true, hidden: true}
             ],
       navDS,
             {