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
codeaudit/beast-mcmc,codeaudit/beast-mcmc,codeaudit/beast-mcmc,beast-dev/beast-mcmc,beast-dev/beast-mcmc,codeaudit/beast-mcmc,beast-dev/beast-mcmc,4ment/beast-mcmc,4ment/beast-mcmc,maxbiostat/beast-mcmc,4ment/beast-mcmc,adamallo/beast-mcmc,4ment/beast-mcmc,maxbiostat/beast-mcmc,adamallo/beast-mcmc,maxbiostat/beast-mcmc,beast-dev/beast-mcmc,adamallo/beast-mcmc,4ment/beast-mcmc,adamallo/beast-mcmc,adamallo/beast-mcmc,adamallo/beast-mcmc,codeaudit/beast-mcmc,4ment/beast-mcmc,beast-dev/beast-mcmc,maxbiostat/beast-mcmc,beast-dev/beast-mcmc,maxbiostat/beast-mcmc,maxbiostat/beast-mcmc,codeaudit/beast-mcmc