Fix travis configuration

Author: mikebronner

.travis.yml

@@ -1,16 +1,15 @@
 language: php
 
 php:
-    - 5.4
-    - 5.5
-    - 5.6
     - 7.0
-    - hhvm
+    - 7.1
 
 before_script:
     - travis_retry composer self-update
     - travis_retry composer install --no-interaction --prefer-source --dev
 
-script: phpunit --coverage-text --coverage-clover ./build/logs/clover.xml
+script:
+  - ./vendor/bin/phpunit --coverage-text --coverage-clover ./build/logs/clover.xml
 
-after_script: php vendor/bin/coveralls
+after_script:
+  - php vendor/bin/coveralls

composer.json

@@ -40,6 +40,7 @@
         "squizlabs/php_codesniffer": "^2.7",
         "phpmd/phpmd": "^2.4",
         "pdepend/pdepend": "^2.2",
+        "satooshi/php-coveralls" : "dev-master@dev",
         "sebastian/phpcpd": "^2.0",
         "jakub-onderka/php-parallel-lint": "^0.9.2"
     },