add command line parameters to powershell.exe

Author: brajjan

lib/puppet/provider/windowsfeature/default.rb

@@ -21,7 +21,8 @@
   def self.instances
     # an array to store feature hashes
     features = []
-    result = ps(%($ProgressPreference='SilentlyContinue'; Import-Module ServerManager; Get-WindowsFeature | Select-Object -Property Name, Installed | ConvertTo-XML -As String -Depth 4 -NoTypeInformation))
+    result = ps('-NoProfile', '-NonInteractive', '-NoLogo', '-ExecutionPolicy', 'Bypass',
+            '-Command', "$ProgressPreference='SilentlyContinue'; Import-Module ServerManager; Get-WindowsFeature | Select-Object -Property Name, Installed | ConvertTo-Xml -As String -Depth 4 -NoTypeInformation")
     # create the XML document and parse the objects
     xml = Document.new result
     xml.root.each_element do |object|