added ability to compare an arbitrary set of phenotypes against one or more targets.  addresses #644
added ability to compare an arbitrary set of phenotypes against one or more targets.  addresses #644

DoctorBud/monarch-app,monarch-initiative/monarch-app,monarch-initiative/monarch-app,monarch-initiative/monarch-app,kshefchek/monarch-app,DoctorBud/monarch-app,kshefchek/monarch-app,monarch-initiative/monarch-app,jmcmurry/monarch-app,DoctorBud/monarch-app,DoctorBud/monarch-app,DoctorBud/monarch-app,kshefchek/monarch-app,kshefchek/monarch-app,jmcmurry/monarch-app,jmcmurry/monarch-app,monarch-initiative/monarch-app,jmcmurry/monarch-app,jmcmurry/monarch-app,kshefchek/monarch-app