Added scalar support to dufunc's.
Added scalar support to dufunc's.

pombredanne/numba,jriehl/numba,stuartarchibald/numba,IntelLabs/numba,stuartarchibald/numba,ssarangi/numba,seibert/numba,ssarangi/numba,stefanseefeld/numba,gmarkall/numba,gmarkall/numba,jriehl/numba,cpcloud/numba,gdementen/numba,numba/numba,ssarangi/numba,stuartarchibald/numba,GaZ3ll3/numba,seibert/numba,numba/numba,pombredanne/numba,IntelLabs/numba,seibert/numba,stonebig/numba,GaZ3ll3/numba,gmarkall/numba,IntelLabs/numba,pitrou/numba,cpcloud/numba,numba/numba,ssarangi/numba,stefanseefeld/numba,seibert/numba,gdementen/numba,stonebig/numba,jriehl/numba,cpcloud/numba,stonebig/numba,numba/numba,stefanseefeld/numba,GaZ3ll3/numba,stefanseefeld/numba,stuartarchibald/numba,sklam/numba,pombredanne/numba,jriehl/numba,numba/numba,gdementen/numba,pitrou/numba,pitrou/numba,IntelLabs/numba,pitrou/numba,sklam/numba,stonebig/numba,stonebig/numba,GaZ3ll3/numba,gmarkall/numba,IntelLabs/numba,pitrou/numba,cpcloud/numba,stuartarchibald/numba,stefanseefeld/numba,sklam/numba,sklam/numba,jriehl/numba,pombredanne/numba,gmarkall/numba,GaZ3ll3/numba,seibert/numba,ssarangi/numba,gdementen/numba,cpcloud/numba,gdementen/numba,sklam/numba,pombredanne/numba