Added a user function sum(sphere+cylinder) so that a user can modify to add two models (1d only)
Added a user function sum(sphere+cylinder) so that a user can modify to add two models (1d only)

lewisodriscoll/sasview,lewisodriscoll/sasview,SasView/sasview,SasView/sasview,SasView/sasview,SasView/sasview,SasView/sasview,lewisodriscoll/sasview,SasView/sasview,lewisodriscoll/sasview,lewisodriscoll/sasview