Electron: Update with latest boilerplate changes.

This include dependencies updated to the latest versions.

package/electron/app/package.json

@@ -11,7 +11,7 @@
     "target": "development"
   },
   "dependencies": {
-    "fs-jetpack": "^0.6.4"
+    "fs-jetpack": "^0.6.5"
   },
   "repository" : {
     "type" : "git",

package/electron/package.json

 {
   "devDependencies": {
-    "asar": "^0.7.1",
-    "electron-prebuilt": "^0.28.2",
-    "esperanto": "^0.6.17",
+    "asar": "^0.7.2",
+    "electron-prebuilt": "^0.28.3",
+    "esperanto": "^0.7.2",
     "fs-jetpack": "^0.6.5",
-    "gulp": "^3.8.8",
-    "gulp-less": "^1.3.6",
-    "gulp-util": "^3.0.1",
-    "q": "^1.0.1",
+    "gulp": "^3.9.0",
+    "gulp-less": "^3.0.3",
+    "gulp-util": "^3.0.6",
+    "q": "^1.4.1",
+    "tree-kill": "^0.1.1",
     "vinyl-map": "^1.0.1",
-    "yargs": "^1.3.1"
+    "yargs": "^3.13.0"
   },
   "optionalDependencies": {
-    "appdmg": "^0.3.1",
+    "appdmg": "^0.3.2",
     "rcedit": "^0.3.0"
   },
   "scripts": {

package/electron/tasks/start.js

@@ -4,7 +4,9 @@ var Q = require('q');
 var electron = require('electron-prebuilt');
 var pathUtil = require('path');
 var childProcess = require('child_process');
+var kill = require('tree-kill');
 var utils = require('./utils');
+var watch;
 
 var gulpPath = pathUtil.resolve('./node_modules/.bin/gulp');
 if (process.platform === 'win32') {
@@ -30,7 +32,7 @@ var runBuild = function () {
 };
 
 var runGulpWatch = function () {
-    var watch = childProcess.spawn(gulpPath, [
+    watch = childProcess.spawn(gulpPath, [
         'watch',
         '--env=' + utils.getEnvName(),
         '--color'
@@ -43,10 +45,6 @@ var runGulpWatch = function () {
         // Just respawn it then.
         runGulpWatch();
     });
-
-    process.on('exit', function () {
-        watch.kill();
-    });
 };
 
 var runApp = function () {
@@ -56,7 +54,9 @@ var runApp = function () {
 
     app.on('close', function (code) {
         // User closed the app. Kill the host process.
-        process.exit();
+        kill(watch.pid, 'SIGKILL', function () {
+            process.exit();
+        });
     });
 };