Update authors in changelog
Update authors in changelog

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