embed spreadsheet column title list in javascript code.

dream/platform/static/spreadsheet_template.json

-[
-  [
-    "Jobs",
-    "ID",
-    "Order Date",
-    "Due Date",
-    "Priority",
-    "Material",
-    "Sequence",
-    "Processing Times"
-  ]
-]

dream/platform/static/src/jsonPlumb.js

@@ -113,7 +113,16 @@
 
     priv.initSpreadSheet = function () {
       var spreadsheet = $('#spreadsheet_input');
-      $.get('spreadsheet_template.json', function (data) {
+      var data = [[
+	"Jobs",
+	"ID",
+	"Order Date",
+	"Due Date",
+	"Priority",
+	"Material",
+	"Sequence",
+	"Processing Times"
+      ]];
       spreadsheet.handsontable({
         data: data,
         minSpareRows: 1,
@@ -121,7 +130,6 @@
           priv.onDataChange();
         }
       });
-      });
     };
 
     priv.updateElementCoordinate = function (node_id, coordinate) {