add a render function

docs/example1.html

@@ -208,11 +208,14 @@
 			});
 			$("#rerun_workflow").click(function(){ $('#statusModalBody').wfstatus('rerun'); });
 		    $("#reset_workflow").click(function(){ $('#setAndRunModalBody').wfform('reset'); });
-  				$("#back_workflow").click(function(){
-  					$('#statusModalBody').wfstatus('reload');
+		    $('#setAndRunModal').on('shown.bs.modal', function() {
+		    	$('#setAndRunModalBody').wfform('render');
+		    });
+  			$("#back_workflow").click(function(){
+  				$('#statusModalBody').wfstatus('reload');
 				$('#back_workflow').hide();
 				$('.status-panel').show();
-  				});
+  			});
 		    $("#run_workflow").click(function(){
 		    	$('#setAndRunModalBody').wfform('run');
 		    	$('#back_workflow').hide();

src/js/jflow-wfform.js

@@ -342,6 +342,12 @@ jQuery.validator.addMethod("mparam", function(value, element, params) {
 		}
 	}
 	
+	WFForm.prototype.render = function() {
+		$("[id^=handsontable_]").each(function(){
+			$(this).handsontable("render");
+		});
+	}
+	
 	WFForm.prototype.load = function() {
 		var $this = this,
 			waiting_animation = ['<div class="container-fluid"><div class="row"><div class="col-md-1 col-md-offset-2"><div class="inline floatingBarsG">',