Remove zend-servicemanager-di dependency

- Per #125
- Also replaces fabpot/php-cs-fixer with friendsofphp/php-cs-fixer, per warnings
  during update (former is abandoned in favor of latter).

Author: weierophinney

composer.json

@@ -16,7 +16,6 @@
         "php": "^5.5 || ^7.0",
         "zendframework/zend-eventmanager": "^2.6.2 || ^3.0",
         "zendframework/zend-servicemanager": "^2.7.5 || ^3.0.3",
-        "zendframework/zend-servicemanager-di": "^1.0.1",
         "zendframework/zend-hydrator": "^1.1 || ^2.1",
         "zendframework/zend-form": "^2.7",
         "zendframework/zend-stdlib": "^2.7.5 || ^3.0",
@@ -42,7 +41,7 @@
         "zendframework/zend-validator": "^2.6",
         "zendframework/zend-version": "^2.5",
         "zendframework/zend-view": "^2.6.3",
-        "fabpot/php-cs-fixer": "1.7.*",
+        "friendsofphp/php-cs-fixer": "1.7.*",
         "phpunit/PHPUnit": "^4.5",
         "sebastian/version": "^1.0.4"
     },
@@ -59,6 +58,7 @@
         "zendframework/zend-log": "Zend\\Log component",
         "zendframework/zend-modulemanager": "Zend\\ModuleManager component",
         "zendframework/zend-serializer": "Zend\\Serializer component",
+        "zendframework/zend-servicemanager-di": "^1.0.1, if using zend-servicemanager v3 and requiring the zend-di integration",
         "zendframework/zend-session": "Zend\\Session component for FlashMessenger, PRG, and FPRG plugins",
         "zendframework/zend-text": "Zend\\Text component",
         "zendframework/zend-uri": "Zend\\Uri component",