DevKit updates (#5900)

.gitignore

@@ -1,9 +1,15 @@
-/build
-/vendor
-/docs/_build/*
+# DO NOT EDIT THIS FILE!
+#
+# It's auto-generated by sonata-project/dev-kit package.
+
+/build/
+/vendor/
 .php_cs.cache
 composer.lock
 phpunit.xml
+phpstan.neon
+/.phpunit.result.cache
+/docs/_build/
 
 # clean up some non bower ready package
 Resources/public/vendor/admin-lte/bootstrap
@@ -62,3 +68,4 @@ Resources/public/vendor/jquery/src
 
 Resources/public/vendor/jquery.scrollTo/demo
 Resources/public/vendor/jquery.scrollTo/tests
+

.travis.yml

@@ -18,7 +18,6 @@ php:
 dist: xenial
 
 cache:
-  pip: true
   directories:
     - $HOME/.composer/cache/files