RN 0.31 the tab bar gone

[bondanherumurti]

Version

Tell us which versions you are using:

• react-native-router-flux v3.30.3
• react-native v0.31

Expected behaviour

the tabs navigation working flawless-ly

Actual behaviour

its gone!

Steps to reproduce

1. Upgrade React Native from 0.28 to 0.31 and Its Dependency