Since Toolbar icons' height is set according to Toolbar height,
We need to ensure the call to `setupToolbar` from `onCreate` is
called after the Toolbar is measured.
* Due to race condition when showing modal, buttons were added to
previous Toolbar.
* Minor refactor, moved `updateStyles` from BaseReactActivity to
StyleHelper class since it's now also used by RnnModal
Adds BottomTabActivity which replaces TabActivity
Adds a dependency on `com.aurelhubert:ahbottomnavigation:1.2.3`
Uses iOS tabsStyle, with additional parameter that allows toggling of whether to show the titles of inactive tabs