chore: babel 7

[tuncaulubilge]

Babel 7 version bump, together with couple more dependencies that needs to be bumped for babel 7 compatibility. This PR will enable us to bump react & react-native & react-native-web versions, but that'll be done on a separate pr:

Following the guidelines on this issue: #1540

• Update Babel 7 using babel-upgrade tool
• Replace .babelrc with babel.config.js
• Update Storybooks to v4 (storybook/react-native v5 is not out yet)
• Update Webpack
• Update Graphql and apollo libs
• Get the stories working on web
• Get the stories working on native
• Get the tests working
• Replace Haul with Metro
• Integrate with the apps

--- What's next for React-Native 0.59+ bump? ---

• Update React & React-Native & React-Native-Web to latest
• Update Jest & Babel-Jest
• Remove extra .babelrc's which were added as a temp fix for old versions of Jest
• Get the stories working
• Get the tests working
• Get the stories and tests working with src instead of transpiled dist
• Integrate with the apps

addressed