Grunt Customization Template (#1535)

- Adds a mechanism for defining local Grunt tasks.

.gitignore

@@ -7,6 +7,7 @@
 .vagrant
 .vscode/*
 /downloads
+/Gruntfile.local.js
 /solr/vendor
 /vendor
 ChangeLog

Gruntfile.js

 module.exports = function(grunt) {
-  require('jit-grunt')(grunt); // Just in time library loading
+  const fs = require("fs");
+
+  // Local custom tasks
+  if (fs.existsSync("./Gruntfile.local.js")) {
+    require("./Gruntfile.local.js")(grunt);
+  }
 
-  var fs = require('fs');
+  require('jit-grunt')(grunt); // Just in time library loading
 
   /**
    * @param  {string} file

Gruntfile.local.js.dist

+module.exports = function(grunt) {
+  grunt.registerTask("custom", function customFunc() {
+    grunt.log.writeln("Hello world!");
+  });
+}