Move run:dev task to gulp

tasks/gulp-start.js

@@ -0,0 +1,14 @@
+import gulp from 'gulp';
+import nodemon from 'gulp-nodemon';
+
+let pkg = require('../package.json');
+require('gulp-grunt')(gulp);
+
+gulp.task('run:dev', ['nodemon', 'build:dev:watch']);
+
+gulp.task('nodemon', () => {
+  nodemon({
+    script: pkg.main,
+    ignore: ['website/public/*', 'website/views/*']
+  });
+});