JOHANNESBURG – Umkhonto Wesizwe Party Secretary-General, Floyd Shivambu, is planning to reveal evidence next year that he claims will prove the May elections were rigged.The party recently withdrew its vote-rigging court case against the Electoral Commission of South Africa.READ: Zuma tells supporters that MK Party was robbed of votesHowever, during a rally in Vosloorus on Saturday, MK Party leader, Jacob Zuma, announced that new evidence had been uncovered.Zuma stated that the party now plans to reinstate its case in court.The MK Party also reiterated its strong opposition to the…