fix #453

[fdnhkj]

This commit fixes the issue #453.
Tested with

  "dependencies": {
    "react": "15.3.1",
    "react-native": "^0.32.0",
    "react-native-maps": "^0.8.2",
    "react-native-router-flux": "^3.35.0"
  }

[jeveloper]

Looks good to me.

@spikebrehm your turn :)

[spikebrehm]

Thanks for the contribution!

This essentially reverts #449.

@felipecsl can you TAL?

[spikebrehm]

There's now a merge conflict. @fdnhkj would you mind rebasing?

[fdnhkj]

@spikebrehm Done :)