Adding "prefer-stable": true on all composer.json

Nyholm · Nyholm · commit ec0a1d22d3d6 · 2017-09-16T12:10:14.000+02:00
diff --git a/composer.json b/composer.json
@@ -38,6 +38,7 @@
         "test-ci": "vendor/bin/phpunit --coverage-text --coverage-clover=build/coverage.xml"
     },
     "minimum-stability": "dev",
+    "prefer-stable": true,
     "extra": {
         "branch-alias": {
             "dev-master": "4.0-dev"
