Move AddPlugins from MvdDetector to tasks
Up to now the CbmMvdDetector class has dependencies to all plugin classes. This prevents a restructering of the mvd code. With this commit the plugins are added to the sensors from the tasks.
Up to now the CbmMvdDetector class has dependencies to all plugin classes. This prevents a restructering of the mvd code. With this commit the plugins are added to the sensors from the tasks.