Drop support for php 5.4 and 5.5

Add travis for php 7.1

Author: Cliff Odijk

.travis.yml

@@ -1,24 +1,31 @@
-language: php
+sudo: false
 
-php:
-    - 5.4
-    - 5.5
-    - 5.6
-    - 7.0
-    - hhvm
+language: php
 
 matrix:
-    allow_failures:
-        - php: hhvm
+  include:
+    - php: 5.6
+    - php: 7.0
+    - php: 7.1
+      env: SYMFONY_VERSION=2.7.*
+    - php: 7.1
+      env: SYMFONY_VERSION=2.8.*
+    - php: 7.1
+      env: SYMFONY_VERSION=3.3.*
+
+env:
+  global:
+    - SYMFONY_VERSION=""
 
 before_install:
-    - composer self-update
+  - composer self-update
+  - if [ "$SYMFONY_VERSION" != "" ]; then composer require --no-update symfony/console:$SYMFONY_VERSION symfony/process:$SYMFONY_VERSION symfony/finder:$SYMFONY_VERSION; fi
 
 install:
-    - composer install --no-progress
+  - composer install --prefer-dist
 
 script:
-    - bin/phpunit
+  - vendor/bin/phpunit
 
 after_success:
-    - bash <(curl -s https://codecov.io/bash)
+  - bash <(curl -s https://codecov.io/bash)

composer.json

@@ -12,7 +12,7 @@
         }
     ],
     "require": {
-        "php": "^5.4|^7.0",
+        "php": "^5.6 || ^7.0",
         "simple-bus/message-bus": "~2.0",
         "simple-bus/asynchronous-bundle": "~2.0",
         "simple-bus/asynchronous": "~2.0",
@@ -42,8 +42,5 @@
         "psr-4": {
             "SimpleBus\\BernardBundleBridge\\Tests\\": "tests"
         }
-    },
-    "config": {
-        "bin-dir": "bin"
     }
 }