fixed stuff maybe

build.ps1

@@ -3,6 +3,7 @@
 <#
 .Synopsis
    This script is used to deploy a fresh install of DetectionLab
+
 .DESCRIPTION
    This scripts runs a series of tests before running through the
    DetectionLab deployment. It checks:
@@ -15,10 +16,30 @@
    Post deployment it also verifies that services are installed and
    running.
 
+   If you encounter issues, feel free to open an issue at
+   https://github.com/clong/DetectionLab/issues
+
+.PARAMETER ProviderName
+  The Hypervisor you're using for the lab. Valid options are 'virtualbox' or 'vmware_workstation'
+
+.PARAMETER PackerPath
+  The full path to the packer executable. Default is C:\Hashicorp\packer.exe
+
+.PARAMETER VagrantOnly
+  This switch skips building packer boxes and instead downloads from www.deploymentlab.network
+
 .EXAMPLE
-   ./build.ps1 -ProviderName virtualbox -PackerPath 'C:\packer.exe'
+  build.ps1 -ProviderName virtualbox   
+
+  This builds the DeploymentLab using virtualbox and the default path for packer (C:\Hashicorp\packer.exe)
 .EXAMPLE
-   ./build.ps1 -ProviderName vmware_workstation -PackerPath 'C:\packer.exe'
+  build.ps1 -ProviderName vmware_workstation -PackerPath 'C:\packer.exe'
+  
+  This builds the DeploymentLab using Vmware and sets the packer path to 'C:\packer.exe'  
+.EXAMPLE
+  build.ps1 -ProviderName vmware_workstation -VagrantOnly
+
+  This command builds the DeploymentLab using vmware and skips the packer process, downloading the boxes instead.
 #>
 
 [cmdletbinding()]
@@ -27,7 +48,7 @@ Param(
   [ValidateSet('virtualbox', 'vmware_workstation')]
   [string]$ProviderName,
   [string]$PackerPath = 'C:\Hashicorp\packer.exe',
-  [swtich]$VagrantOnly
+  [switch]$VagrantOnly
 )
 
 
@@ -71,7 +92,7 @@ function check_packer {
 function check_vagrant {
   # Check if vagrant is in path
   try {
-    Get-Command vagrant.exe -ErrorAction Stop
+    Get-Command vagrant.exe -ErrorAction Stop | Out-Null
   }
   catch {
     Write-Error 'Vagrant was not found. Please correct this before continuing.'
@@ -331,7 +352,8 @@ function download {
     [string]$PatternToMatch
   )
   Write-Verbose "[download] Running for $URL, looking for $PatternToMatch"
-  [Net.ServicePointManager]::SecurityProtocol = "tls12, tls11, tls"
+  [System.Net.ServicePointManager]::ServerCertificateValidationCallback = { $true }
+  #[Net.ServicePointManager]::SecurityProtocol = "tls12, tls11, tls"
   
   $wc = New-Object System.Net.WebClient
   $result = $wc.DownloadString($URL)