Restore hamburger icon to open drawer

Fix carousel title and styling on home screen

Fix title for bottomNavBar scenes

Move navigationOptions.title out of each component

Lint fixes and format files

Update eslint and prettier

Remove custom back handling and snackbar middleware

Fix Navigation types

Remove custom navbar

Remove navigation from redux store

Upgrade react-navigation

Fixes to package.json

Fix date test

Upgrade Jest to 24.8.0

Upgrade Flow to 0.78; Fix type issues