DevKit updates - Remove dev (#424)

* DevKit updates

* DevKit updates

* DevKit updates

Author: ElectricMaxxx

.travis.yml

@@ -37,13 +37,13 @@ env:
 matrix:
   include:
     - php: 7.2
-      env: STABILITY=dev SYMFONY_VERSION=4.0.*
+      env: SYMFONY_VERSION=4.0.*
     - php: 7.1
-      env: STABILITY=dev COMPOSER_FLAGS="--prefer-lowest" SYMFONY_VERSION=2.8.0 SYMFONY_DEPRECATIONS_HELPER=weak
+      env: COMPOSER_FLAGS="--prefer-lowest" SYMFONY_VERSION=2.8.* SYMFONY_DEPRECATIONS_HELPER=weak
     - php: 7.2
-      env: STABILITY=dev SYMFONY_VERSION=3.3.*
+      env: SYMFONY_VERSION=3.3.*
     - php: 7.2
-      env: STABILITY=dev SYMFONY_VERSION=3.4.*
+      env: SYMFONY_VERSION=3.4.*
     - env: TEST_INSTALLATION=true
   fast_finish: true
   allow_failures:
@@ -52,12 +52,12 @@ matrix:
 before_install:
   - phpenv config-rm xdebug.ini || true
   - composer self-update
+  - composer validate --no-check-all --ansi
   - if ! [ -z "$STABILITY" ]; then composer config minimum-stability ${STABILITY}; composer config prefer-stable true; fi;
   - if [ "$SYMFONY_VERSION" != "" ]; then composer require symfony/symfony:${SYMFONY_VERSION} --no-update; fi
   - export BRANCH=$(if [ "$TRAVIS_PULL_REQUEST" == "false" ]; then echo $TRAVIS_BRANCH; else echo $TRAVIS_PULL_REQUEST_BRANCH; fi)
 
 install: travis_wait composer update --prefer-dist $COMPOSER_FLAGS
-
 script:
   - if [ "${TEST_INSTALLATION}" == true ]; then make test_installation; else make test; fi