Added integration for automatic tests on TravisCI

.gitignore

@@ -1,3 +1,2 @@
 /.idea
 /vendor
-/composer.lock

.travis.yml

@@ -0,0 +1,14 @@
+language: php
+php:
+  - 5.3
+  - 5.4
+  - 5.5
+  - 5.6
+  - 7.0
+  - hhvm
+before_script:
+  - travis_retry composer self-update && composer --version
+  - travis_retry composer install
+script:
+  - ./vendor/bin/phpunit --coverage-text ./tests
+  - ./vendor/bin/phpcs src

composer.json

@@ -1,17 +1,28 @@
 {
     "name": "hyperthese/php-serial",
     "description": "Multi-platform serial port access convenience class",
-    "license": "GNU GPLv2",
+    "license": "GPL-2.0+",
     "authors": [
         {
             "name": "Rémy Sanchez",
             "email": "[email protected]"
-        }
+        },
+        {
+          "name": "Rizwan Kassim",
+          "email": "[email protected]"
+         }
     ],
     "minimum-stability": "stable",
     "autoload": {
         "classmap": ["src/"]
     },
+    "require": {
+        "php": ">=5.3.2"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "4.4.*",
+        "squizlabs/php_codesniffer": "2.*"
+    },
     "extra": {
         "branch-alias": {
             "dev-develop": "1.0.x-dev"