Added 'rainbow' boot sequence

Moved color transform to utils lib

include/bootsequence/RainbowBootSequence.h

@@ -0,0 +1,32 @@
+
+#pragma once
+
+// QT includes
+#include <QTimer>
+
+// Hyperion includes
+#include <hyperion/Hyperion.h>
+
+class RainbowBootSequence : public QObject
+{
+Q_OBJECT
+
+public:
+	RainbowBootSequence(Hyperion * hyperion);
+
+	void start();
+
+private slots:
+	void update();
+
+private:
+	QTimer _timer;
+
+	Hyperion * _hyperion;
+
+	int _priority;
+
+	std::vector<RgbColor> _ledColors;
+	int _iterationCounter;
+};
+