Merge branch 'bg-fix-windows-icon' into 'master'

Add workaround for Windows icon bug in 0.78.1; will no longer be needed in 0.79.1

See merge request gridtracker.org/gridtracker!332

If this is changing anything in the UI or operational behavior, please prepare to update the wiki!

package.nw/package.json

@@ -15,6 +15,9 @@
     "width": 860,
     "height": 652
   },
+  "icons": {
+    "256": "gridview.png"
+  },
   "webkit": {
     "plugin": true
   },
@@ -36,7 +39,7 @@
         "CFBundleIdentifier": "org.gridtracker.gridtracker",
         "CFBundleDocumentTypes": [],
         "NSLocalNetworkUsageDescription": "GridTracker needs access to the local network to talk to WSJT-X",
-        "NSDocumentsFolderUsageDescription" : "GridTracker needs access to your documents folder to store logs"
+        "NSDocumentsFolderUsageDescription": "GridTracker needs access to your documents folder to store logs"
       }
     },
     "win": {