Update travis config

Author: mikebronner

.travis.yml

@@ -1,16 +1,13 @@
 language: php
 
 php:
-    - 5.4
-    - 5.5
     - 5.6
     - 7.0
-    - hhvm
 
 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

tests/Laravel5_3/TestCase.php

@@ -15,7 +15,7 @@ abstract class TestCase extends BaseTestCase
 
     protected $baseUrl = 'http://localhost';
 
-    public function createApplication() : Application
+    public function createApplication()
     {
         $app = require __DIR__ . '/../../vendor/laravel/laravel/bootstrap/app.php';
         $app->make(Kernel::class)->bootstrap();