small changes

js/cam/GCodeExporter.js

@@ -80,7 +80,7 @@ GCodeExporter.prototype.makeFooter = function(){
 
 GCodeExporter.prototype.save = function(data){
     var blob = new Blob([data], {type: "text/plain;charset=utf-8"});
-    saveAs(blob, "GCodeExport" + ".g");
+    saveAs(blob, "GCodeExport" + ".nc");
 };
 
 GCodeExporter.prototype.simulate = function(line, machine, wcs,  callback){

js/menus/SendMenuView.js

@@ -22,6 +22,6 @@ SendMenuView = Backbone.View.extend({
     },
 
 
-    template: _.template('')
+    template: _.template('realtime communication with machine')
 
 });
\ No newline at end of file