Update dependencies and run tests for SF4 (#153)

* #SymfonyConHackday2017

* added explicit stability level for php 7.1

* fix added explicit stability level for php 7.1

* custom minimum-stability config moved to the before_install section

* enabled version > 2 for jms/serializer-bundle

* added a newer version of jms serializer

* added version 5.7  version of phpunit

.travis.yml

@@ -32,10 +32,13 @@ matrix:
           env: SYMFONY_VERSION=3.0.x
         - php: 7.0
           env: SYMFONY_VERSION=3.1.x
+        - php: 7.1
+          env: SYMFONY_VERSION=4.0.x stability=beta
 
 before_install:
   - if [ "$TRAVIS_PHP_VERSION" != "hhvm" ]; then echo 'memory_limit=-1' >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi
   - if [ "$SYMFONY_VERSION" != "" ]; then composer require --dev --no-update symfony/symfony:$SYMFONY_VERSION; fi
+  - if [ "$stability" != "" ]; then composer config minimum-stability $stability; fi
 
 install:
   - if [ "$dependencies" = "lowest" ]; then composer update --prefer-lowest --prefer-stable --prefer-dist --no-interaction; else composer update --prefer-dist --no-interaction; fi;

composer.json

@@ -11,17 +11,17 @@
     "require": {
         "php": ">=5.3.3",
         "giggsey/libphonenumber-for-php": "~5.7|~6.0|~7.0|~8.0",
-        "symfony/framework-bundle": "~2.1|~3.0"
+        "symfony/framework-bundle": "~2.1|~3.0|^4.0"
     },
     "require-dev": {
         "doctrine/doctrine-bundle": "~1.0",
-        "jms/serializer-bundle": "~0.11|~1.0",
-        "phpunit/phpunit": "~4.0",
-        "symfony/form": "~2.3|~3.0",
-        "symfony/serializer": "~2.7|~3.1",
-        "symfony/templating": "~2.1|~3.0",
-        "symfony/twig-bundle": "~2.1|~3.0",
-        "symfony/validator": "~2.1|~3.0"
+        "jms/serializer-bundle": "~0.11|~1.0|~2.0",
+        "phpunit/phpunit": "~4.0|^5.7",
+        "symfony/form": "~2.3|~3.0|^4.0",
+        "symfony/serializer": "~2.7|~3.1|^4.0",
+        "symfony/templating": "~2.1|~3.0|^4.0",
+        "symfony/twig-bundle": "~2.1|~3.0|^4.0",
+        "symfony/validator": "~2.1|~3.0|^4.0"
     },
     "conflict": {
         "twig/twig": "<1.12.0"