Revert "Update the .xproj files to reference the "DotNet" targets and props instead of "DNX"."
Revert "Update the .xproj files to reference the "DotNet" targets and props instead of "DNX"."

This reverts commit 4304ca9848eced94a0f39829fd31b2a3cf601bec.

wtgodbe/core-setup,schellap/core-setup,ericstj/core-setup,MichaelSimons/core-setup,ericstj/core-setup,cakine/core-setup,ravimeda/core-setup,schellap/core-setup,chcosta/core-setup,MichaelSimons/core-setup,MichaelSimons/core-setup,zamont/core-setup,joperezr/core-setup,janvorli/core-setup,ellismg/core-setup,zamont/core-setup,MichaelSimons/core-setup,weshaggard/core-setup,chcosta/core-setup,ellismg/core-setup,joperezr/core-setup,gkhanna79/core-setup,MichaelSimons/core-setup,weshaggard/core-setup,crummel/dotnet_core-setup,ericstj/core-setup,cakine/core-setup,karajas/core-setup,cakine/core-setup,gkhanna79/core-setup,gkhanna79/core-setup,cakine/core-setup,chcosta/core-setup,karajas/core-setup,schellap/core-setup,cakine/core-setup,rakeshsinghranchi/core-setup,gkhanna79/core-setup,zamont/core-setup,crummel/dotnet_core-setup,ramarag/core-setup,janvorli/core-setup,gkhanna79/core-setup,ravimeda/core-setup,rakeshsinghranchi/core-setup,vivmishra/core-setup,wtgodbe/core-setup,ellismg/core-setup,rakeshsinghranchi/core-setup,schellap/core-setup,ravimeda/core-setup,ellismg/core-setup,vivmishra/core-setup,ramarag/core-setup,chcosta/core-setup,vivmishra/core-setup,zamont/core-setup,gkhanna79/core-setup,schellap/core-setup,crummel/dotnet_core-setup,janvorli/core-setup,chcosta/core-setup,karajas/core-setup,ravimeda/core-setup,vivmishra/core-setup,karajas/core-setup,ravimeda/core-setup,wtgodbe/core-setup,ellismg/core-setup,schellap/core-setup,ericstj/core-setup,ravimeda/core-setup,steveharter/core-setup,janvorli/core-setup,ericstj/core-setup,janvorli/core-setup,zamont/core-setup,weshaggard/core-setup,ramarag/core-setup,chcosta/core-setup,joperezr/core-setup,ramarag/core-setup,weshaggard/core-setup,ramarag/core-setup,wtgodbe/core-setup,rakeshsinghranchi/core-setup,crummel/dotnet_core-setup,weshaggard/core-setup,weshaggard/core-setup,steveharter/core-setup,joperezr/core-setup,ellismg/core-setup,steveharter/core-setup,crummel/dotnet_core-setup,cakine/core-setup,joperezr/core-setup,steveharter/core-setup,joperezr/core-setup,ramarag/core-setup,wtgodbe/core-setup,MichaelSimons/core-setup,steveharter/core-setup,karajas/core-setup,janvorli/core-setup,crummel/dotnet_core-setup,steveharter/core-setup,karajas/core-setup,rakeshsinghranchi/core-setup,ericstj/core-setup,vivmishra/core-setup,wtgodbe/core-setup,zamont/core-setup,vivmishra/core-setup,rakeshsinghranchi/core-setup