diff --git a/build/gulpfile.common.js b/build/gulpfile.common.js
index 63faa9bcfe1..c3fb56583cd 100644
--- a/build/gulpfile.common.js
+++ b/build/gulpfile.common.js
@@ -39,13 +39,21 @@ exports.loaderConfig = function (emptyPaths) {
 
 const IS_OUR_COPYRIGHT_REGEXP = /Copyright \(C\) Microsoft Corporation/i;
 
-function loader(bundledFileHeader) {
+function loader(bundledFileHeader, bundleLoader) {
+	let sources = [
+		'out-build/vs/loader.js'
+	];
+	if (bundleLoader) {
+		sources = sources.concat([
+			'out-build/vs/css.js',
+			'out-build/vs/nls.js'
+		]);
+	}
+
 	let isFirst = true;
-	return gulp.src([
-		'out-build/vs/loader.js',
-		'out-build/vs/css.js',
-		'out-build/vs/nls.js'
-	], { base: 'out-build' })
+	return (
+		gulp
+		.src(sources, { base: 'out-build' })
 		.pipe(es.through(function(data) {
 			if (isFirst) {
 				isFirst = false;
@@ -64,7 +72,8 @@ function loader(bundledFileHeader) {
 		.pipe(es.mapSync(function (f) {
 			f.sourceMap.sourceRoot = util.toFileUri(path.join(path.dirname(__dirname), 'src'));
 			return f;
-		}));
+		}))
+	);
 }
 
 function toConcatStream(bundledFileHeader, sources, dest) {
@@ -116,6 +125,7 @@ function toBundleStream(bundledFileHeader, bundles) {
  * - otherSources (for non-AMD files that should get Copyright treatment)
  * - resources (svg, etc.)
  * - loaderConfig
+ * - bundleLoader (boolean - true by default - append css and nls to loader)
  * - header (basically the Copyright treatment)
  * - bundleInfo (boolean - emit bundleInfo.json file)
  * - out (out folder name)
@@ -126,6 +136,7 @@ exports.optimizeTask = function(opts) {
 	const resources = opts.resources;
 	const loaderConfig = opts.loaderConfig;
 	const bundledFileHeader = opts.header;
+	const bundleLoader = (typeof opts.bundleLoader === 'undefined' ? true : opts.bundleLoader);
 	const out = opts.out;
 
 	return function() {
@@ -174,7 +185,7 @@ exports.optimizeTask = function(opts) {
 			}));
 
 		const result = es.merge(
-			loader(bundledFileHeader),
+			loader(bundledFileHeader, bundleLoader),
 			bundlesStream,
 			otherSourcesStream,
 			resourcesStream,
diff --git a/build/gulpfile.editor.js b/build/gulpfile.editor.js
index 99d6f0dfcca..2bddf8fcd8b 100644
--- a/build/gulpfile.editor.js
+++ b/build/gulpfile.editor.js
@@ -22,12 +22,15 @@ var editorEntryPoints = [
 	{
 		name: 'vs/editor/editor.main',
 		include: [],
-		exclude: [ 'vs/css', 'vs/nls' ]
+		exclude: [],
+		prepend: [ 'vs/css.js', 'vs/nls.js' ],
 	},
 	{
 		name: 'vs/base/common/worker/simpleWorker',
 		include: [ 'vs/editor/common/services/editorSimpleWorker' ],
-		exclude: [ 'vs/css', 'vs/nls' ]
+		prepend: [ 'vs/loader.js' ],
+		append: [ 'vs/base/worker/workerMain' ],
+		dest: 'vs/base/worker/workerMain.js'
 	},
 ]
 
@@ -37,14 +40,11 @@ var editorResources = [
 	'!out-build/vs/base/browser/ui/toolbar/**/*',
 	'!out-build/vs/base/browser/ui/octiconLabel/**/*',
 	'!out-build/vs/editor/contrib/defineKeybinding/**/*',
-	'out-build/vs/base/worker/workerMain.{js,js.map}',
 	'!out-build/vs/workbench/**',
 	'!**/test/**'
 ];
 
 var editorOtherSources = [
-	'out-build/vs/css.js',
-	'out-build/vs/nls.js'
 ];
 
 var BUNDLED_FILE_HEADER = [
@@ -75,6 +75,7 @@ gulp.task('optimize-editor', ['clean-optimized-editor', 'compile-build'], common
 	otherSources: editorOtherSources,
 	resources: editorResources,
 	loaderConfig: editorLoaderConfig(),
+	bundleLoader: false,
 	header: BUNDLED_FILE_HEADER,
 	bundleInfo: true,
 	out: 'out-editor'
diff --git a/build/lib/bundle.js b/build/lib/bundle.js
index cbc7e92e55d..9325d6d623f 100644
--- a/build/lib/bundle.js
+++ b/build/lib/bundle.js
@@ -31,6 +31,24 @@ function bundle(entryPoints, config, callback) {
     var loader = loaderModule.exports;
     config.isBuild = true;
     loader.config(config);
+    loader(['require'], function (localRequire) {
+        var resolvePath = function (path) {
+            var r = localRequire.toUrl(path);
+            if (!/\.js/.test(r)) {
+                return r + '.js';
+            }
+            return r;
+        };
+        for (var moduleId in entryPointsMap) {
+            var entryPoint = entryPointsMap[moduleId];
+            if (entryPoint.append) {
+                entryPoint.append = entryPoint.append.map(resolvePath);
+            }
+            if (entryPoint.prepend) {
+                entryPoint.prepend = entryPoint.prepend.map(resolvePath);
+            }
+        }
+    });
     loader(Object.keys(allMentionedModulesMap), function () {
         var modules = loader.getBuildInfo();
         var partialResult = emitEntryPoints(modules, entryPointsMap);
@@ -74,7 +92,7 @@ function emitEntryPoints(modules, entryPoints) {
             return allDependencies[module];
         });
         bundleData.bundles[moduleToBundle] = includedModules;
-        var res = emitEntryPoint(modulesMap, modulesGraph, moduleToBundle, includedModules);
+        var res = emitEntryPoint(modulesMap, modulesGraph, moduleToBundle, includedModules, info.prepend, info.append, info.dest);
         result = result.concat(res.files);
         for (var pluginName in res.usedPlugins) {
             usedPlugins[pluginName] = usedPlugins[pluginName] || res.usedPlugins[pluginName];
@@ -235,10 +253,13 @@ function removeDuplicateTSBoilerplate(destFiles) {
     });
     return destFiles;
 }
-function emitEntryPoint(modulesMap, deps, entryPoint, includedModules) {
+function emitEntryPoint(modulesMap, deps, entryPoint, includedModules, prepend, append, dest) {
+    if (!dest) {
+        dest = entryPoint + '.js';
+    }
     var mainResult = {
         sources: [],
-        dest: entryPoint + '.js'
+        dest: dest
     }, results = [mainResult];
     var usedPlugins = {};
     var getLoaderPlugin = function (pluginName) {
@@ -286,6 +307,16 @@ function emitEntryPoint(modulesMap, deps, entryPoint, includedModules) {
             plugin.writeFile(pluginName, entryPoint, req, write, {});
         }
     });
+    var toIFile = function (path) {
+        var contents = readFileAndRemoveBOM(path);
+        return {
+            path: path,
+            contents: contents
+        };
+    };
+    var toPrepend = (prepend || []).map(toIFile);
+    var toAppend = (append || []).map(toIFile);
+    mainResult.sources = toPrepend.concat(mainResult.sources).concat(toAppend);
     return {
         files: results,
         usedPlugins: usedPlugins
diff --git a/build/lib/bundle.ts b/build/lib/bundle.ts
index bf500e5c92b..25fd2617448 100644
--- a/build/lib/bundle.ts
+++ b/build/lib/bundle.ts
@@ -46,6 +46,9 @@ export interface IEntryPoint {
 	name: string;
 	include: string[];
 	exclude: string[];
+	prepend: string[];
+	append: string[];
+	dest: string;
 }
 
 interface IEntryPointMap {
@@ -120,6 +123,25 @@ export function bundle(entryPoints:IEntryPoint[], config:ILoaderConfig, callback
 	config.isBuild = true;
 	loader.config(config);
 
+	loader(['require'], (localRequire) => {
+		let resolvePath = (path:string) => {
+			let r = localRequire.toUrl(path);
+			if (!/\.js/.test(r)) {
+				return r + '.js';
+			}
+			return r;
+		};
+		for (let moduleId in entryPointsMap) {
+			let entryPoint = entryPointsMap[moduleId];
+			if (entryPoint.append) {
+				entryPoint.append = entryPoint.append.map(resolvePath);
+			}
+			if (entryPoint.prepend) {
+				entryPoint.prepend = entryPoint.prepend.map(resolvePath);
+			}
+		}
+	});
+
 	loader(Object.keys(allMentionedModulesMap), () => {
 		let modules = <IBuildModuleInfo[]>loader.getBuildInfo();
 		let partialResult = emitEntryPoints(modules, entryPointsMap);
@@ -171,7 +193,15 @@ function emitEntryPoints(modules:IBuildModuleInfo[], entryPoints:IEntryPointMap)
 
 		bundleData.bundles[moduleToBundle] = includedModules;
 
-		let res = emitEntryPoint(modulesMap, modulesGraph, moduleToBundle, includedModules);
+		let res = emitEntryPoint(
+			modulesMap,
+			modulesGraph,
+			moduleToBundle,
+			includedModules,
+			info.prepend,
+			info.append,
+			info.dest
+		);
 
 		result = result.concat(res.files);
 		for (let pluginName in res.usedPlugins) {
@@ -355,10 +385,21 @@ interface IEmitEntryPointResult {
 	usedPlugins: IPluginMap;
 }
 
-function emitEntryPoint(modulesMap:IBuildModuleInfoMap, deps:IGraph, entryPoint:string, includedModules:string[]): IEmitEntryPointResult {
+function emitEntryPoint(
+	modulesMap:IBuildModuleInfoMap,
+	deps:IGraph,
+	entryPoint:string,
+	includedModules:string[],
+	prepend: string[],
+	append: string[],
+	dest: string
+): IEmitEntryPointResult {
+	if (!dest) {
+		dest = entryPoint + '.js';
+	}
 	let mainResult: IConcatFile = {
 			sources: [],
-			dest: entryPoint + '.js'
+			dest: dest
 		},
 		results: IConcatFile[] = [mainResult];
 
@@ -416,6 +457,19 @@ function emitEntryPoint(modulesMap:IBuildModuleInfoMap, deps:IGraph, entryPoint:
 		}
 	});
 
+	let toIFile = (path):IFile => {
+		let contents = readFileAndRemoveBOM(path);
+		return {
+			path: path,
+			contents: contents
+		};
+	};
+
+	let toPrepend = (prepend||[]).map(toIFile);
+	let toAppend = (append||[]).map(toIFile);
+
+	mainResult.sources = toPrepend.concat(mainResult.sources).concat(toAppend);
+
 	return {
 		files: results,
 		usedPlugins: usedPlugins
diff --git a/build/monaco/package.json b/build/monaco/package.json
index 53e240b2d0b..e9b918f6983 100644
--- a/build/monaco/package.json
+++ b/build/monaco/package.json
@@ -1,7 +1,7 @@
 {
   "name": "monaco-editor-core",
   "private": true,
-  "version": "0.7.0-next.5",
+  "version": "0.7.1",
   "description": "A browser based code editor",
   "author": "Microsoft Corporation",
   "license": "MIT",
diff --git a/src/vs/base/worker/workerMain.ts b/src/vs/base/worker/workerMain.ts
index 461c9a52374..97dbf33fb41 100644
--- a/src/vs/base/worker/workerMain.ts
+++ b/src/vs/base/worker/workerMain.ts
@@ -9,7 +9,9 @@
 	let MonacoEnvironment = (<any>self).MonacoEnvironment;
 	let monacoBaseUrl = MonacoEnvironment && MonacoEnvironment.baseUrl ? MonacoEnvironment.baseUrl : '../../../';
 
-	importScripts(monacoBaseUrl + 'vs/loader.js');
+	if (typeof (<any>self).define !== 'function' || !(<any>self).define.amd) {
+		importScripts(monacoBaseUrl + 'vs/loader.js');
+	}
 
 	require.config({
 		baseUrl: monacoBaseUrl,
diff --git a/src/vs/loader.js b/src/vs/loader.js
index 49317011d21..0de79c30df7 100644
--- a/src/vs/loader.js
+++ b/src/vs/loader.js
@@ -1926,7 +1926,7 @@ var AMDLoader;
                 RequireFunc.config(global.require);
             }
             if (!isElectronRenderer) {
-                global.define = DefineFunc;
+                global.define = define = DefineFunc;
             }
             else {
                 define = function () {