Merge pull request #721 from localheinz/fix/php71

Fix: Run build on PHP7.1

Author: yguedidi

.travis.yml

@@ -3,7 +3,7 @@ language: php
 php:
   - 5.6
   - 7.0
-  - 7.1.0RC3
+  - 7.1
   - hhvm
 
 sudo: false
@@ -22,7 +22,3 @@ install:
 script:
   - vendor/bin/phpcs
   - vendor/bin/phpunit --coverage-text --exclude-group integration
-
-matrix:
-  allow_failures:
-    - php: 7.1.0RC3