Change Log update for 0.46
Change Log update for 0.46

As title

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