Fixed dependency issues

Author: adrianbarbos

composer.json

@@ -12,7 +12,7 @@
     "require": {
         "php": ">=5.3.0",
         "illuminate/support": "5.0.* || 5.1.* || 5.2.* || 5.3.* || 5.4.*",
-        "barryvdh/laravel-omnipay": "0.2.*@dev",
+        "omnipay/common": "~2.0",
         "business-mastery/omnipay-mobilpay": "~1.0"
     },