Replace build scripts with prepare scripts

Vagrant/scripts/provision.ps1

@@ -1,6 +1,7 @@
 # Purpose: Sets timezone to UTC, sets hostname, creates/joins domain.
 # Source: https://github.com/StefanScherer/adfs2
 
+$ProfilePath = "C:\Windows\System32\WindowsPowerShell\v1.0\profile.ps1"
 $box = Get-ItemProperty -Path HKLM:SYSTEM\CurrentControlSet\Control\ComputerName\ComputerName -Name "ComputerName"
 $box = $box.ComputerName.ToString().ToLower()
 
@@ -10,6 +11,15 @@ c:\windows\system32\tzutil.exe /s "UTC"
 Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Checking if Windows evaluation is expiring soon or expired..."
 . c:\vagrant\scripts\fix-windows-expiration.ps1
 
+If (!(Test-Path $ProfilePath)) {
+  Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Disabling the Invoke-WebRequest download progress bar globally for speed improvements." 
+  Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) See https://github.com/PowerShell/PowerShell/issues/2138 for more info"
+  New-Item -Path $ProfilePath | Out-Null
+  If (!(Get-Content $Profilepath| % { $_ -match "SilentlyContinue" } )) {
+    Add-Content -Path $ProfilePath -Value "$ProgressPreference = 'SilentlyContinue'"
+  }
+}
+
 # Ping DetectionLab server for usage statistics
 curl -userAgent "DetectionLab-$box" "https://ping.detectionlab.network/$box" -UseBasicParsing | out-null