Enable windows guest capabilities using winssh communicator

plugins/guests/windows/cap/configure_networks.rb

@@ -9,10 +9,6 @@ module VagrantPlugins
         @@logger = Log4r::Logger.new("vagrant::guest::windows::configure_networks")
 
         def self.configure_networks(machine, networks)
-          if machine.config.vm.communicator != :winrm
-            raise Errors::NetworkWinRMRequired
-          end
-
           @@logger.debug("Networks: #{networks.inspect}")
 
           guest_network = GuestNetwork.new(machine.communicate)

plugins/guests/windows/cap/mount_shared_folder.rb

@@ -34,7 +34,7 @@ module VagrantPlugins
             vm_provider_unc_path: vm_provider_unc_base + name,
           })
 
-          if machine.config.vm.communicator == :winrm
+          if machine.config.vm.communicator == :winrm || machine.config.vm.communicator == :winssh
             machine.communicate.execute(script, shell: :powershell)
           else
             # Convert script to double byte unicode string then base64 encode

plugins/guests/windows/scripts/mount_volume.ps1.erb

@@ -28,7 +28,7 @@ if( (Test-Path "$MountPoint") -and (Test-ReparsePoint "$MountPoint") )
 }
 elseif(Test-Path $MountPoint)
 {
-  Write-Debug "Mount point already exists and is not a symbolic link"
+  Write-Error "Mount point already exists and is not a symbolic link"
   exit 1
 }