restore r.js-based build system from 4.x

bower.json

@@ -6,15 +6,18 @@
     "bootstrap": "components/bootstrap#~3.3",
     "bootstrap-tour": "0.9.0",
     "codemirror": "components/codemirror#~5.16",
+    "es6-promise": "~1.0",
     "font-awesome": "components/font-awesome#~4.2.0",
     "google-caja": "5669",
     "jquery": "components/jquery#~2.0",
     "jquery-typeahead": "~2.0.0",
     "jquery-ui": "components/jqueryui#~1.10",
     "marked": "~0.3",
     "MathJax": "components/MathJax#~2.6",
+    "moment": "~2.8.4",
     "requirejs": "~2.1",
     "text-encoding": "~0.1",
-    "underscore": "components/underscore#~1.8.3"
+    "underscore": "components/underscore#~1.8.3",
+    "xterm.js": "sourcelair/xterm.js#~2.1.0"
   }
 }

tools/build-main.js

@@ -0,0 +1,68 @@
+// build main.min.js
+// spawned by gulp to allow parallelism
+
+var rjs = require('requirejs').optimize;
+
+var name = process.argv[2];
+
+var rjs_config = {
+  name: name + '/js/main',
+  out: './notebook/static/' + name + '/js/main.min.js',
+  baseUrl: 'notebook/static',
+  preserveLicenseComments: false, // license comments conflict with sourcemap generation
+  generateSourceMaps: true,
+  optimize: "none",
+  paths: {
+    underscore : 'components/underscore/underscore-min',
+    backbone : 'components/backbone/backbone-min',
+    jquery: 'components/jquery/jquery.min',
+    bootstrap: 'components/bootstrap/js/bootstrap.min',
+    bootstraptour: 'components/bootstrap-tour/build/js/bootstrap-tour.min',
+    "jquery-ui": 'components/jquery-ui/ui/minified/jquery-ui.min',
+    moment: 'components/moment/moment',
+    codemirror: 'components/codemirror',
+    xterm: 'components/xterm.js/dist/xterm',
+    typeahead: 'components/jquery-typeahead/dist/jquery.typeahead',
+    contents: 'empty:',
+    custom: 'empty:',
+  },
+  map: { // for backward compatibility
+    "*": {
+        "jqueryui": "jquery-ui",
+    }
+  },
+  shim: {
+    typeahead: {
+            deps: ["jquery"],
+            exports: "typeahead"
+          },
+    underscore: {
+      exports: '_'
+    },
+    backbone: {
+      deps: ["underscore", "jquery"],
+      exports: "Backbone"
+    },
+    bootstrap: {
+      deps: ["jquery"],
+      exports: "bootstrap"
+    },
+    bootstraptour: {
+      deps: ["bootstrap"],
+      exports: "Tour"
+    },
+    "jquery-ui": {
+      deps: ["jquery"],
+      exports: "$"
+    }
+  },
+
+  exclude: [
+    "custom/custom",
+  ]
+};
+
+rjs(rjs_config, console.log, function (err) {
+  console.log("Failed to build", name, err);
+  process.exit(1);
+});