fix(package): update redux-form to version 8.2.6

Closes #240

Author: greenkeeper[bot]

package.json

@@ -68,7 +68,7 @@
     "react-router-dom": "^4.2.2",
     "react-router-redux": "^5.0.0-alpha.6",
     "redux": "^3.7.2",
-    "redux-form": "^7.0.4",
+    "redux-form": "^8.2.6",
     "redux-logger": "^3.0.6",
     "redux-thunk": "^2.2.0",
     "rollbar": "^2.3.2",