SImplefied travis config and added composer scripts (#213)

* SImplefied travis config and added composer scripts

* Use 2 space indentation

.travis.yml

@@ -1,19 +1,18 @@
 language: php
+
 php:
   - 5.5
   - 5.6
   - 7.0
   - hhvm
-before_install:
-- travis_retry composer self-update
+
 install:
   - travis_retry composer install
-- travis_retry composer require --dev 'phpunit/php-code-coverage=^2.2.4'
+
 script:
-- phpunit -c phpunit.xml.dist --testsuite unit --coverage-text
-- phpunit -c phpunit.xml.dist --testsuite functional --coverage-text
-- '[[ "${TRAVIS_PULL_REQUEST}" == "false" ]] && ( phpunit -c phpunit.xml.dist --testsuite
-  integration --coverage-text ) || ( echo "Testing PR - No integration tests available")'
+  - composer test
+  - '[[ "${TRAVIS_PULL_REQUEST}" == "false" ]] && ( composer test-coverage ) || ( echo "Testing PR - No integration tests available")'
+
 notifications:
   slack:
     rooms:

composer.json

@@ -31,5 +31,8 @@
             "email": "travis@mailgunhq.com"
         }
     ],
-    "minimum-stability": "stable"
+    "scripts": {
+        "test": "vendor/bin/phpunit --testsuite unit && vendor/bin/phpunit --testsuite functional",
+        "test-coverage": "vendor/bin/phpunit --testsuite integration --coverage-text --coverage-clover=build/coverage.xml"
+    }
 }

phpunit.xml.dist

@@ -34,5 +34,4 @@
             <directory suffix=".php">src</directory>
         </whitelist>
     </filter>
-
 </phpunit>