updated build script

Author: leastprivilege

.gitignore

@@ -2,6 +2,7 @@
 ## files generated by popular Visual Studio add-ons.
 
 distribution/
+nuget.exe
 
 # User-specific files
 *.suo

build.ps1

@@ -3,9 +3,16 @@ Param(
 	[string]$preRelease = $null
 )
 
+$exists = Test-Path nuget.exe
+
+if ($exists -eq $false) {
+    $source = "https://www.nuget.org/nuget.exe"
+    Invoke-WebRequest $source -OutFile nuget.exe
+}
+
 gci .\source -Recurse "packages.config" |% {
 	"Restoring " + $_.FullName
-	.\source\.nuget\nuget.exe i $_.FullName -o .\source\packages
+	.\nuget.exe i $_.FullName -o .\source\packages
 }
 
 Import-Module .\source\packages\psake.4.4.1\tools\psake.psm1

default.ps1

@@ -6,7 +6,7 @@ properties {
 	$sln_file = "$src_directory\IdentityModel.sln"
 	$target_config = "Release"
 	$framework_version = "v4.5"
-	$nuget_path = "$src_directory\.nuget\nuget.exe"
+	$nuget_path = "$base_directory\nuget.exe"
 
 	$buildNumber = 0;
 	$version = "1.1.0.0"