Add OpenText/brother installers and update printer installer scripts

- New PrinterInstaller support for Brother MFC-J series (driver source,
  DSI files; binaries gitignored)
- New OpenText HostExplorer 15 installer (profiles, shortcuts, .iss;
  .exe/.cab/.msi gitignored)
- New HP printer driver support files (.gpd/.cfg/.xml/.dtd) for 3556
  model series
- PrinterInstaller.iss rework with additional driver paths
- FQDNUpdate, MachineAuth, XeroxOfflineInstaller minor updates

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

FQDNUpdate/FQDNUpdate.ps1

@@ -9,14 +9,16 @@
 # Server mapping configuration (old FQDN -> new canonical FQDN)
 # To add a new server, add one entry to $ServerMapping and one to $ShortNames.
 $ServerMapping = @{
-    'tsgwp00525.rd.ds.ge.com'  = 'tsgwp00525.wjs.geaerospace.net'
-    'avwesj-gwy01.av.ge.com'   = 'avwesj-gwy01.wjs.geaerospace.net'
+    'tsgwp00525.rd.ds.ge.com'              = 'tsgwp00525.wjs.geaerospace.net'
+    'avwesj-gwy01.av.ge.com'               = 'avwesj-gwy01.wjs.geaerospace.net'
+    'win.cighpeifep036.logon.ds.ge.com'     = 'win-cigh-pscl-0178-nec.compute.geaerospace.net'
 }
 
 # Short hostnames mapped to their canonical FQDN
 $ShortNames = @{
-    'tsgwp00525'   = 'tsgwp00525.wjs.geaerospace.net'
-    'avwesj-gwy01' = 'avwesj-gwy01.wjs.geaerospace.net'
+    'tsgwp00525'       = 'tsgwp00525.wjs.geaerospace.net'
+    'avwesj-gwy01'     = 'avwesj-gwy01.wjs.geaerospace.net'
+    'win.cighpeifep036' = 'win-cigh-pscl-0178-nec.compute.geaerospace.net'
 }
 
 # Build the full list of all server name variants to scan for