adding note about prefix to developer documentation
adding note about prefix to developer documentation

IntelLabs/numba,seibert/numba,cpcloud/numba,numba/numba,numba/numba,numba/numba,gmarkall/numba,gmarkall/numba,cpcloud/numba,IntelLabs/numba,stuartarchibald/numba,gmarkall/numba,sklam/numba,cpcloud/numba,stuartarchibald/numba,sklam/numba,cpcloud/numba,IntelLabs/numba,seibert/numba,sklam/numba,stonebig/numba,IntelLabs/numba,gmarkall/numba,seibert/numba,stuartarchibald/numba,seibert/numba,stonebig/numba,gmarkall/numba,stuartarchibald/numba,seibert/numba,IntelLabs/numba,cpcloud/numba,stuartarchibald/numba,sklam/numba,numba/numba,numba/numba,stonebig/numba,stonebig/numba,sklam/numba,stonebig/numba