Return true for custom user interface
Return true for custom user interface

cjh1/tomviz,OpenChemistry/tomviz,mathturtle/tomviz,cjh1/tomviz,thewtex/tomviz,OpenChemistry/tomviz,OpenChemistry/tomviz,cjh1/tomviz,cryos/tomviz,thewtex/tomviz,thewtex/tomviz,cryos/tomviz,mathturtle/tomviz,mathturtle/tomviz,OpenChemistry/tomviz,cryos/tomviz