remove convoluted and buggy cvterm handling, replace with call to BCS create_organismprops method
remove convoluted and buggy cvterm handling, replace with call to BCS create_organismprops method

solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn,solgenomics/sgn