big changes:

- task manager working now in round robbin and returning after every task to arduino
- adding a system class which is managing all bigger things

lib/System/System.cpp

@@ -0,0 +1,24 @@
+
+#include "System.h"
+
+System::System(std::shared_ptr<BoardConfig> boardConfig, std::shared_ptr<Configuration> userConfig) : _boardConfig(boardConfig), _userConfig(userConfig) {
+}
+
+System::~System() {
+}
+
+std::shared_ptr<BoardConfig> System::getBoardConfig() const {
+  return _boardConfig;
+}
+
+std::shared_ptr<Configuration> System::getUserConfig() const {
+  return _userConfig;
+}
+
+TaskManager &System::getTaskManager() {
+  return _taskManager;
+}
+
+Display &System::getDisplay() {
+  return _display;
+}