Splitt PowerOff into own class

Add inital AlarmSettingsDialog (not used so far)

alarmsettingsdialog.h

@@ -0,0 +1,22 @@
+#ifndef ALARMSETTINGSDIALOG_H
+#define ALARMSETTINGSDIALOG_H
+
+#include <QDialog>
+
+namespace Ui {
+class AlarmSettingsDialog;
+}
+
+class AlarmSettingsDialog : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit AlarmSettingsDialog(QWidget *parent = 0);
+    ~AlarmSettingsDialog();
+
+private:
+    Ui::AlarmSettingsDialog *ui;
+};
+
+#endif // ALARMSETTINGSDIALOG_H