removed support for Symfony 2.3 (wrong merge)

.travis.yml

@@ -2,11 +2,10 @@ language: php
 
 before_script:
     # symfony/*
-    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.7' ]; then sed -i 's/~2.3/2.7.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
-    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '' ]; then sed -i 's/~2.3/2.6.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
-    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.5' ]; then sed -i 's/~2.3/2.5.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
-    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.4' ]; then sed -i 's/~2.3/2.4.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
-    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.3' ]; then sed -i 's/~2.3/2.3.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
+    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.7' ]; then sed -i 's/~2.4/2.7.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
+    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '' ]; then sed -i 's/~2.4/2.6.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
+    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.5' ]; then sed -i 's/~2.4/2.5.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
+    - sh -c "if [ '$SYMFONY_DEPS_VERSION' = '2.4' ]; then sed -i 's/~2.4/2.4.*@dev/g' composer.json; composer update --dev --prefer-source; fi"
     - composer install --dev --prefer-source
 
 script: phpunit
@@ -22,8 +21,6 @@ matrix:
     allow_failures:
         - php: hhvm
     include:
-        - php: 5.6
-          env: SYMFONY_DEPS_VERSION=2.3
         - php: 5.6
           env: SYMFONY_DEPS_VERSION=2.4
         - php: 5.6

composer.json

@@ -18,39 +18,39 @@
     "require": {
         "php": ">=5.3.3",
         "pimple/pimple": "~3.0",
-        "symfony/event-dispatcher": "~2.3",
-        "symfony/http-foundation": "~2.3",
-        "symfony/http-kernel": "~2.3",
-        "symfony/routing": "~2.3"
+        "symfony/event-dispatcher": "~2.4",
+        "symfony/http-foundation": "~2.4",
+        "symfony/http-kernel": "~2.4",
+        "symfony/routing": "~2.4"
     },
     "require-dev": {
-        "symfony/security": "~2.3",
-        "symfony/config": "~2.3",
-        "symfony/locale": "~2.3",
-        "symfony/form": "~2.3",
-        "symfony/browser-kit": "~2.3",
-        "symfony/css-selector": "~2.3",
-        "symfony/debug": "~2.3",
-        "symfony/dom-crawler": "~2.3",
-        "symfony/finder": "~2.3",
-        "symfony/monolog-bridge": "~2.3",
-        "symfony/doctrine-bridge": "~2.3",
-        "symfony/options-resolver": "~2.3",
-        "symfony/process": "~2.3",
-        "symfony/serializer": "~2.3",
-        "symfony/translation": "~2.3",
-        "symfony/twig-bridge": "~2.3",
-        "symfony/validator": "~2.3",
+        "symfony/security": "~2.4",
+        "symfony/config": "~2.4",
+        "symfony/locale": "~2.4",
+        "symfony/form": "~2.4",
+        "symfony/browser-kit": "~2.4",
+        "symfony/css-selector": "~2.4",
+        "symfony/debug": "~2.4",
+        "symfony/dom-crawler": "~2.4",
+        "symfony/finder": "~2.4",
+        "symfony/monolog-bridge": "~2.4",
+        "symfony/doctrine-bridge": "~2.4",
+        "symfony/options-resolver": "~2.4",
+        "symfony/process": "~2.4",
+        "symfony/serializer": "~2.4",
+        "symfony/translation": "~2.4",
+        "symfony/twig-bridge": "~2.4",
+        "symfony/validator": "~2.4",
         "twig/twig": ">=1.8.0,<2.0-dev",
         "doctrine/dbal": "~2.2",
         "swiftmailer/swiftmailer": "5.*",
         "monolog/monolog": "~1.4,>=1.4.1"
     },
     "suggest": {
-        "symfony/browser-kit": "~2.3",
-        "symfony/css-selector": "~2.3",
-        "symfony/dom-crawler": "~2.3",
-        "symfony/form": "~2.3"
+        "symfony/browser-kit": "~2.4",
+        "symfony/css-selector": "~2.4",
+        "symfony/dom-crawler": "~2.4",
+        "symfony/form": "~2.4"
     },
     "replace": {
         "silex/api": "self.version",