Update changelog for 0.30.1
Update changelog for 0.30.1

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