minor #34 Add support for symfony 5 and remove support for < 4.4 ()

This PR was merged into the 1.6-dev branch.

Discussion
----------

Should be rebased after merging the other PR's

Commits
-------

751f925 Add support for symfony 5 and remove support for < 4.4

.travis.yml

@@ -6,9 +6,14 @@ php:
     - 7.4
 
 env:
-    - SYMFONY_VERSION=3.4.*
-    - SYMFONY_VERSION=4.3.*
     - SYMFONY_VERSION=4.4.*
+    - SYMFONY_VERSION=5.0.*
+
+jobs:
+    fast_finish: true
+    allow_failures:
+        -
+            env: SYMFONY_VERSION=5.0.*
 
 cache:
     directories:

composer.json

@@ -23,14 +23,14 @@
         "php": "^7.2",
 
         "sylius/registry": "^1.1",
-        "symfony/config": "^3.4|^4.3",
-        "symfony/dependency-injection": "^3.4|^4.3",
-        "symfony/event-dispatcher": "^3.4|^4.3",
-        "symfony/form": "^3.4|^4.3",
-        "symfony/framework-bundle": "^3.4|^4.3",
-        "symfony/http-kernel": "^3.4|^4.3",
-        "symfony/options-resolver": "^3.4|^4.3",
-        "symfony/property-access": "^3.4|^4.3"
+        "symfony/config": "^4.4|^5.0",
+        "symfony/dependency-injection": "^4.4|^5.0",
+        "symfony/event-dispatcher": "^4.4|^5.0",
+        "symfony/form": "^4.4|^5.0",
+        "symfony/framework-bundle": "^4.4|^5.0",
+        "symfony/http-kernel": "^4.4|^5.0",
+        "symfony/options-resolver": "^4.4|^5.0",
+        "symfony/property-access": "^4.4|^5.0"
     },
     "require-dev": {
         "doctrine/doctrine-bundle": "^1.3",
@@ -50,8 +50,8 @@
         "phpunit/phpunit": "^7.0",
         "sylius-labs/coding-standard": "^3.0",
         "sylius/currency-bundle": "^1.1",
-        "symfony/console": "^3.4|^4.3",
-        "symfony/twig-bundle": "^3.4|^4.3",
+        "symfony/console": "^4.4|^5.0",
+        "symfony/twig-bundle": "^4.4|^5.0",
         "twig/twig": "^2.12|^3.0",
         "vimeo/psalm": "^3.5"
     },

src/Component/composer.json

@@ -23,12 +23,12 @@
         "php": "^7.2",
 
         "sylius/registry": "^1.2",
-        "symfony/event-dispatcher": "^3.4|^4.3",
+        "symfony/event-dispatcher": "^4.4|^5.0",
         "webmozart/assert": "^1.1"
     },
     "require-dev": {
         "phpspec/phpspec": "^6.1",
-        "symfony/property-access": "^3.4|^4.1.1"
+        "symfony/property-access": "^4.4|^5.0"
     },
     "autoload": {
         "psr-4": { "Sylius\\Component\\Grid\\": "" }