Added license docblock checks

Author: weierophinney

.docheader

@@ -0,0 +1,5 @@
+/**
+ * @see       https://github.com/zendframework/zend-expressive-zendviewrenderer for the canonical source repository
+ * @copyright Copyright (c) %regexp:(20\d{2}-)?20\d{2}% Zend Technologies USA Inc. (http://www.zend.com)
+ * @license   https://github.com/zendframework/zend-expressive-zendviewrenderer/blob/master/LICENSE.md New BSD License
+ */

.travis.yml

@@ -66,6 +66,7 @@ install:
 script:
   - composer test
   - if [[ $CHECK_CS == 'true' ]]; then composer cs ; fi
+  - if [[ $CHECK_CS == 'true' ]]; then composer license-check ; fi
 
 notifications:
   email: true

composer.json

@@ -29,7 +29,8 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^5.7",
-        "zendframework/zend-coding-standard": "~1.0.0"
+        "zendframework/zend-coding-standard": "~1.0.0",
+        "malukenho/docheader": "^0.1.5"
     },
     "autoload": {
       "psr-4": {
@@ -43,11 +44,13 @@
     },
     "scripts": {
         "check": [
+            "@license-check",
             "@cs",
             "@test"
         ],
         "cs": "phpcs",
         "cs-fix": "phpcbf",
-        "test": "phpunit"
+        "license-check": "docheader check src/ test/",
+        "test": "phpunit --colors=always"
     }
 }