Fixed up ability to send frames while not connected and to show frames

that were sent within the same window as received frames. Added a new
scripting window that can be used to create scripts that send and
receive messages at runtime - not done but sort of working.

scriptcontainer.h

@@ -0,0 +1,39 @@
+#ifndef SCRIPTCONTAINER_H
+#define SCRIPTCONTAINER_H
+
+#include <QJSEngine>
+#include <QTimer>
+#include <qlistwidget.h>
+
+class ScriptContainer : public QObject
+{
+    Q_OBJECT
+
+public:
+    ScriptContainer();
+    QString fileName;
+    QString filePath;
+    QString scriptText;
+
+public slots:
+    void compileScript();
+    void setErrorWidget(QListWidget *list);
+    void setFilter(QJSValue id, QJSValue mask, QJSValue bus);
+    void setTickInterval(QJSValue interval);
+    void clearFilters();
+    void sendFrame(QJSValue id, QJSValue length, QJSValue data);
+
+private slots:
+    void tick();
+
+private:
+    QJSEngine scriptEngine;
+    QJSValue compiledScript;
+    QJSValue setupFunction;
+    QJSValue gotFrameFunction;
+    QJSValue tickFunction;
+    QTimer timer;
+    QListWidget *errorWidget;
+};
+
+#endif // SCRIPTCONTAINER_H