add license attribution to D3 library
add license attribution to D3 library

ctacdev/openfda_rfq,ctacdev/openfda_rfq,ctacdev/openfdapool2,ctacdev/openfdapool1,ctacdev/openfdapool1,ctacdev/openfdapool1,ctacdev/openfda_rfq,ctacdev/openfdapool2,ctacdev/openfdapool2