v5.1.0-alpha.10

Features

• New @storybook/api manager API package (#5402)

Bug Fixes

• Angular: Fix rerender performance (#6094)
• React-native: Add the raw method to preview (#6182)
• Theming: Fix brandImage to occupy 100% width of BrandArea (#5904)

Dependency Upgrades

• Bump emotion-theming from 10.0.7 to 10.0.9 (#6138)
• Bump webpack-cli from 3.2.3 to 3.3.0 (#6140)
• Bump tslint from 5.13.1 to 5.14.0 (#6141)
• Bump ember-cli from 3.7.1 to 3.8.1 (#6142)
• Bump markdown-to-jsx from 6.9.1 to 6.9.3 (#6139)