[CSV Export] Add licensing info for run-time

Add licensing info for CSV.js and FileSaver.js as licenses
which can be displayed at run-time.

platform/exporters/bundle.js

@@ -37,6 +37,28 @@ define([
                         return new ExportService(saveAs);
                     }
                 }
+            ],
+            licenses: [
+                {
+                    "name": "CSV.js",
+                    "version": "3.6.4",
+                    "author": "Kash Nouroozi",
+                    "description": "Encoder for CSV (comma separated values) export",
+                    "website": "https://github.com/knrz/CSV.js",
+                    "copyright": "Copyright (c) 2014 Kash Nouroozi",
+                    "license": "license-mit",
+                    "link": "https://github.com/knrz/CSV.js/blob/3.6.4/LICENSE"
+                },
+                {
+                    "name": "FileSaver.js",
+                    "version": "0.0.2",
+                    "author": "Eli Grey",
+                    "description": "File download initiator (for file exports)",
+                    "website": "https://github.com/eligrey/FileSaver.js/",
+                    "copyright": "Copyright © 2015 Eli Grey.",
+                    "license": "license-mit",
+                    "link": "https://github.com/eligrey/FileSaver.js/blob/master/LICENSE.md"
+                }
             ]
         }
     });