[JS] Run gulp script

README.md

@@ -42,7 +42,7 @@ If you want to try out new Sylius UI, please run the following commands:
 
 ```bash
 $ npm install
-$ gulp
+$ npm run gulp
 ```
 
 [Behat](http://behat.org) scenarios

docs/book/installation.rst

@@ -126,7 +126,7 @@ And now you can use gulp for installing views, by just running a simple command:
 
 .. code-block:: bash
 
-    $ gulp
+    $ npm run gulp
 
 After you've run the ``gulp`` command please have a look at the ``/admin`` url, where you will find the administration panel.
 

etc/travis/suites/application/before_script.sh

@@ -11,4 +11,4 @@ run_command "app/console doctrine:phpcr:repository:init --env=test_cached --no-d
 print_header "Setting the web assets up" "sylius"
 run_command "app/console assets:install --env=test_cached --no-debug -vvv" || exit $?
 run_command "app/console assetic:dump --env=test_cached --no-debug -vvv" || exit $?
-run_command "gulp" || exit $?
+run_command "npm run gulp" || exit $?

package.json

@@ -20,6 +20,9 @@
     "gulp-uglifycss": "^1.0.5",
     "merge-stream": "^1.0.0"
   },
+  "scripts": {
+      "gulp": "gulp"
+  },
   "repository": {
     "type": "git",
     "url": "git+https://github.com/Sylius/Sylius.git"