trunk: solve Issue 523:	BEAUti Traits panel buttons enable/disable should adapt to data and traits
trunk: solve Issue 523:	BEAUti Traits panel buttons enable/disable should adapt to data and traits
evolvedmicrobe/beast-mcmc,evolvedmicrobe/beast-mcmc,danieljue/beast-mcmc,evolvedmicrobe/beast-mcmc,danieljue/beast-mcmc,evolvedmicrobe/beast-mcmc,danieljue/beast-mcmc,danieljue/beast-mcmc,danieljue/beast-mcmc,evolvedmicrobe/beast-mcmc