use stable dependencies (#26)

Author: Nyholm

composer.json

@@ -16,12 +16,11 @@
         "symfony/translation": "^2.7 || ^3.0",
         "symfony/finder": "^2.7 || ^3.0",
 
-        "php-translation/common": "dev-master",
-        "php-translation/extractor": "dev-master"
+        "php-translation/common": "^0.1",
+        "php-translation/extractor": "^0.1"
     },
     "require-dev": {
         "phpunit/phpunit": "^4.5 || ^5.4",
-        "php-translation/platform-adapter": "dev-master",
         "php-translation/translator": "^0.1",
         "php-http/curl-client": "^1.0",
         "php-http/message": "^1.0",