Clean up method naming in CheckBoxMenu
Clean up method naming in CheckBoxMenu

Kitware/girder,kotfic/girder,manthey/girder,jbeezley/girder,kotfic/girder,Xarthisius/girder,jbeezley/girder,RafaelPalomar/girder,kotfic/girder,adsorensen/girder,manthey/girder,Kitware/girder,data-exp-lab/girder,Xarthisius/girder,RafaelPalomar/girder,kotfic/girder,Xarthisius/girder,manthey/girder,Kitware/girder,RafaelPalomar/girder,girder/girder,girder/girder,adsorensen/girder,adsorensen/girder,jbeezley/girder,adsorensen/girder,data-exp-lab/girder,RafaelPalomar/girder,kotfic/girder,girder/girder,data-exp-lab/girder,Xarthisius/girder,data-exp-lab/girder,data-exp-lab/girder,Xarthisius/girder,jbeezley/girder,RafaelPalomar/girder,manthey/girder,Kitware/girder,girder/girder,adsorensen/girder