Fix - Npm locker file updated without prod dependencies

• package-lock.json file updated

Fix - Dependencies removed

• Production dependencies removed

Chore - Namespace added

• NPM namespace added

Chore - Dependencies upgraded

• Dependencies upgraded

Fix - Use ViewPropTypes from react-native

• View.propTypes.style replaced by ViewPropTypes.style
• Jest upgraded
• Project version bumped

Chore - Dependencies removed

• Dependencies removed for production.
• Documentation updated
• Version bumped

Chore - Dependencies updated

Packages updated:

babel-eslint: ^8.0.1  →   ^8.0.3
eslint: ^4.10.0  →  ^4.12.1
eslint-plugin-react: ^7.4.0  →   ^7.5.1
react-test-renderer: ^16.0.0  →  ^16.2.0

Feat - New props + example updated

• itemsChildStyle prop renamed itemsContainerChildStyle.
• modalAnimationType prop created to customize modal animation.
• modalTransparent prop create to customize modal background.
• example in readme file updated with beautiful styles.
• gif android demo updated.

Chore - Yarn replaced by NPM for travis

• Yarn replaced for NPM
• Travis pipeline updated

Ready for production usage

• typecheck script removed
• version bumped