Merge pull request #458 from doctrine/feature/drop_php5.6

Drop PHP 5.4 and update TravisCI build

Author: Gianluca Arbezzano

.travis.yml

@@ -1,19 +1,17 @@
 language: php
 
 php:
-  - 5.4
   - 5.5
   - 5.6
   - 7
   - hhvm
 
 matrix:
   allow_failures:
-    - php: 7
     - php: hhvm
 
 before_script:
-  - composer update --prefer-source
+  - composer update --prefer-dist
 
 script:
   - ./vendor/bin/phpunit --coverage-clover ./build/clover.xml

composer.json

@@ -32,7 +32,7 @@
         }
     ],
     "require":           {
-        "php":                               ">=5.4",
+        "php":                               "^5.5 || ^7.0",
         "doctrine/doctrine-module":          "~1.0",
         "doctrine/orm":                      ">=2.5,<2.7",
         "doctrine/dbal":                     ">=2.4,<2.7",