Trunk: solve Issue 334: NullPointerException after cancelled 'Import Traits'.
Trunk: solve Issue 334: NullPointerException after cancelled 'Import Traits'.
evolvedmicrobe/beast-mcmc,danieljue/beast-mcmc,danieljue/beast-mcmc,evolvedmicrobe/beast-mcmc,danieljue/beast-mcmc,evolvedmicrobe/beast-mcmc,danieljue/beast-mcmc,evolvedmicrobe/beast-mcmc,danieljue/beast-mcmc,evolvedmicrobe/beast-mcmc