New Sensor-> Actor -> Item system (half implemented, relay support

only), new ui, Relay dehardcoeding.

relayscrollbox.cpp

@@ -0,0 +1,14 @@
+#include "relayscrollbox.h"
+#include "ui_relayscrollbox.h"
+
+RelayScrollBox::RelayScrollBox(QWidget *parent) :
+    QWidget(parent),
+    ui(new Ui::RelayScrollBox)
+{
+    ui->setupUi(this);
+}
+
+RelayScrollBox::~RelayScrollBox()
+{
+    delete ui;
+}