Fix bootstrapper download link

Also pin nuget.exe version

Author: Redth

build.ps1

@@ -82,7 +82,7 @@ if ((Test-Path $PSScriptRoot) -and !(Test-Path $TOOLS_DIR)) {
 # Make sure that packages.config exist.
 if (!(Test-Path $PACKAGES_CONFIG)) {
     Write-Verbose -Message "Downloading packages.config..."
-    try { Invoke-WebRequest -Uri http://cakebuild.net/bootstrapper/packages -OutFile $PACKAGES_CONFIG } catch {
+    try { Invoke-WebRequest -Uri http://cakebuild.net/download/bootstrapper/packages -OutFile $PACKAGES_CONFIG } catch {
         Throw "Could not download packages.config."
     }
 }

build.sh

@@ -42,7 +42,7 @@ fi
 # Make sure that packages.config exist.
 if [ ! -f "$TOOLS_DIR/packages.config" ]; then
     echo "Downloading packages.config..."
-    curl -Lsfo "$TOOLS_DIR/packages.config" http://cakebuild.net/bootstrapper/packages
+    curl -Lsfo "$TOOLS_DIR/packages.config" http://cakebuild.net/download/bootstrapper/packages
     if [ $? -ne 0 ]; then
         echo "An error occured while downloading packages.config."
         exit 1
@@ -52,7 +52,8 @@ fi
 # Download NuGet if it does not exist.
 if [ ! -f "$NUGET_EXE" ]; then
     echo "Downloading NuGet..."
-    curl -Lsfo "$NUGET_EXE" https://dist.nuget.org/win-x86-commandline/latest/nuget.exe
+    # For now grab explicit 2.8.6 version instead of: https://dist.nuget.org/win-x86-commandline/latest/nuget.exe
+    curl -Lsfo "$NUGET_EXE" https://dist.nuget.org/win-x86-commandline/v2.8.6/nuget.exe
     if [ $? -ne 0 ]; then
         echo "An error occured while downloading nuget.exe."
         exit 1