fixing issue with build if output directory does not exist

build/buildplugins.ps1

@@ -14,12 +14,12 @@ if ([String]::IsNullOrEmpty($output)) {
     $output = '../deploy';
 }
 
-$output = $output | Resolve-Path
-
 if ([System.IO.Directory]::Exists($output) -eq $false) {        
     [System.IO.Directory]::Create($output)
 }
 
+$output = $output | Resolve-Path
+
 Remove-Item Builds  -Recurse -ErrorAction SilentlyContinue
 
 $revision = (git rev-list --count --first-parent HEAD) -join "`n"