Update eslint-config-standard to 7.0.0

Author: vovkasm

package.json

@@ -32,7 +32,7 @@
     "babel-eslint": "^7.0.0",
     "babel-preset-react-native": "^1.9.0",
     "eslint": "^3.3.1",
-    "eslint-config-standard": "^6.2.1",
+    "eslint-config-standard": "^7.0.0",
     "eslint-config-standard-react": "^4.2.0",
     "eslint-plugin-classes": "^0.1.1",
     "eslint-plugin-import": "^2.0",