version-string hash added to update the windows executable resource

using rcedit

readme.md

@@ -42,6 +42,17 @@ ignore             do not copy files into App whose filenames regex .match this
 prune              runs `npm prune --production` on the app
 asar               packages the source code within your app into an archive
 sign               should contain the identity to be used when running `codesign` (OS X only)
+version-string     should contain a hash of the application metadata to be embedded into the executable (Windows only). Keys supported
+                   - CompanyName
+                   - LegalCopyright
+                   - FileDescription
+                   - OriginalFilename
+                   - FileVersion
+                   - ProductVersion
+                   - ProductName
+                   - InternalName
+                   
+
 ```
 
 This will:

win32.js

@@ -62,15 +62,15 @@ function buildWinApp (opts, cb, newApp) {
           var finalPath = path.join(opts.out || process.cwd(), opts.name + '-win32', 'resources')
           common.asarApp(finalPath, function (err) {
             if (err) return cb(err)
-            updateIcon()
+            updateResourceData()
           })
         } else {
-          updateIcon()
+          updateResourceData()
         }
       })
     }
 
-    function updateIcon () {
+    function updateResourceData () {
       var finalPath = path.join(opts.out || process.cwd(), opts.name + '-win32')
 
       if (!opts.icon) {
@@ -78,8 +78,11 @@ function buildWinApp (opts, cb, newApp) {
       }
 
       var exePath = path.join(opts.out || process.cwd(), opts.name + '-win32', opts.name + '.exe')
-
-      rcedit(exePath, {icon: opts.icon}, function (err) {
+      var rcOptions = {
+        icon: opts.icon,
+        'version-string': opts['version-string']
+      }
+      rcedit(exePath, rcOptions, function (err) {
         cb(err, finalPath)
       })
     }