add the code to visualize the evening plan clustering.
add the code to visualize the evening plan clustering.

Signed-off-by: Jan Losinski <ac68c006427fd23159c5a4c6fb6cdd4332319f6f@secunet.com>

janLo/meet-and-eat-registration-system,janLo/meet-and-eat-registration-system,eXma/meet-and-eat-registration-system,janLo/meet-and-eat-registration-system,eXma/meet-and-eat-registration-system,eXma/meet-and-eat-registration-system,janLo/meet-and-eat-registration-system,eXma/meet-and-eat-registration-system