🛠 Gulp tooling for ghost

refs #7427

Use `gulp dev` to start development mode. Starts ember build and does livereload for client and server changes.

Use `gulp server` to start server development mode. Doesn't start ember build and livereloads for server changes only.

gulpfile.js

@@ -0,0 +1,51 @@
+var gulp                = require('gulp'),
+    livereload          = require('gulp-livereload'),
+    nodemon             = require('gulp-nodemon'),
+    shell               = require('gulp-shell'),
+    chalk               = require('chalk'),
+    paths,
+    nodemonServerInit;
+
+paths = {
+    server: 'core/server/',
+    client: 'core/client/'
+};
+
+nodemonServerInit = function () {
+    livereload.listen();
+
+    return nodemon({
+        script: 'index.js',
+        ext: 'js,json,hbs',
+        watch: [
+            'core/index.js',
+            paths.server + '**/*.js',
+            paths.server + '**/*.json',
+            paths.server + '**/*.hbs',
+            'core/built/assets/*.js'
+        ],
+        ignore: [
+            'core/client/*',
+            'core/server/test/*'
+        ]
+    }).on('restart', function () {
+        console.info(chalk.cyan('Restarting Ghost due to changes...'));
+        gulp.src('index.js')
+            .pipe(livereload());
+    });
+};
+
+// Starting the 🚗 to run the server only
+// No client watch here.
+gulp.task('server', function () {
+    nodemonServerInit();
+});
+
+// Run `gulp dev` to enter development mode
+// Filechanges in client will force a livereload
+gulp.task('dev', ['server'], shell.task(['ember build --watch'], {
+    cwd: paths.client,
+    env: {
+        FORCE_COLOR: true // this is a fun little tidbit that will pass the colors from Ember to the main process
+    }
+}));

package.json

@@ -106,6 +106,10 @@
     "grunt-shell": "1.3.1",
     "grunt-subgrunt": "1.2.0",
     "grunt-update-submodules": "0.4.1",
+    "gulp": "3.9.1",
+    "gulp-livereload": "3.8.1",
+    "gulp-nodemon": "2.1.0",
+    "gulp-shell": "0.5.2",
     "istanbul": "0.4.5",
     "matchdep": "1.0.1",
     "mocha": "3.0.2",