Update nuget.exe and corresponding feeds to v3.

NuGet.config

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <configuration>
   <packageSources>
-    <add key="AspNetVNext" value="https://www.myget.org/F/aspnetlitedev/api/v2" />
+    <add key="AspNetVNext" value="https://www.myget.org/F/aspnetcidev/api/v3/index.json" />
     <add key="NuGet" value="https://api.nuget.org/v3/index.json" />
     <add key="AzureAD" value="http://www.myget.org/F/azureadwebstacknightly"/>
   </packageSources>

build.cmd

@@ -2,14 +2,15 @@
 cd %~dp0
 
 SETLOCAL
-SET CACHED_NUGET=%LocalAppData%\NuGet\NuGet.exe
+SET NUGET_VERSION=latest
+SET CACHED_NUGET=%LocalAppData%\NuGet\nuget.%NUGET_VERSION%.exe
 SET BUILDCMD_KOREBUILD_VERSION=""
 SET BUILDCMD_DNX_VERSION=""
 
 IF EXIST %CACHED_NUGET% goto copynuget
 echo Downloading latest version of NuGet.exe...
 IF NOT EXIST %LocalAppData%\NuGet md %LocalAppData%\NuGet
-@powershell -NoProfile -ExecutionPolicy unrestricted -Command "$ProgressPreference = 'SilentlyContinue'; Invoke-WebRequest 'https://www.nuget.org/nuget.exe' -OutFile '%CACHED_NUGET%'"
+@powershell -NoProfile -ExecutionPolicy unrestricted -Command "$ProgressPreference = 'SilentlyContinue'; Invoke-WebRequest 'https://dist.nuget.org/win-x86-commandline/%NUGET_VERSION%/nuget.exe' -OutFile '%CACHED_NUGET%'"
 
 :copynuget
 IF EXIST .nuget\nuget.exe goto restore
@@ -19,11 +20,11 @@ copy %CACHED_NUGET% .nuget\nuget.exe > nul
 :restore
 IF EXIST packages\KoreBuild goto run
 IF %BUILDCMD_KOREBUILD_VERSION%=="" (
-	.nuget\NuGet.exe install KoreBuild -ExcludeVersion -o packages -nocache -pre
+	.nuget\nuget.exe install KoreBuild -ExcludeVersion -o packages -nocache -pre
 ) ELSE (
-	.nuget\NuGet.exe install KoreBuild -version %BUILDCMD_KOREBUILD_VERSION% -ExcludeVersion -o packages -nocache -pre
+	.nuget\nuget.exe install KoreBuild -version %BUILDCMD_KOREBUILD_VERSION% -ExcludeVersion -o packages -nocache -pre
 )
-.nuget\NuGet.exe install Sake -ExcludeVersion -Source https://www.nuget.org/api/v2/ -Out packages
+.nuget\nuget.exe install Sake -ExcludeVersion -Out packages
 
 IF "%SKIP_DNX_INSTALL%"=="1" goto run
 IF %BUILDCMD_DNX_VERSION%=="" (

build.sh

@@ -10,21 +10,23 @@ else
     fi
 fi
 mkdir -p $cachedir
+nugetVersion=latest
+cachePath=$cachedir/nuget.$nugetVersion.exe
 
-url=https://www.nuget.org/nuget.exe
+url=https://dist.nuget.org/win-x86-commandline/$nugetVersion/nuget.exe
 
-if test ! -f $cachedir/nuget.exe; then
-    wget -O $cachedir/nuget.exe $url 2>/dev/null || curl -o $cachedir/nuget.exe --location $url /dev/null
+if test ! -f $cachePath; then
+    wget -O $cachePath $url 2>/dev/null || curl -o $cachePath --location $url /dev/null
 fi
 
 if test ! -e .nuget; then
     mkdir .nuget
-    cp $cachedir/nuget.exe .nuget/nuget.exe
+    cp $cachePath .nuget/nuget.exe
 fi
 
 if test ! -d packages/KoreBuild; then
     mono .nuget/nuget.exe install KoreBuild -ExcludeVersion -o packages -nocache -pre
-    mono .nuget/nuget.exe install Sake -ExcludeVersion -Source https://www.nuget.org/api/v2/ -Out packages
+    mono .nuget/nuget.exe install Sake -ExcludeVersion -Out packages
 fi
 
 if ! type dnvm > /dev/null 2>&1; then