When ldap is enabled and use "Standard" authentication method, if authentication fails
the correct tab remain selected.
This is done by saving into localStorage when the active tab changes and by always selecting that tab when
the page is loaded.

Change airbnb eslint config package to `eslint-config-airbnb-base` and update plugins.

Change `airbnb` to `airbnb-base` for .eslintrc `extends` value.

Added changelog entry

Made sure all plugins and envs are set

Corrected new failing specs

- Vue app has been completely rewritten
- New components
- Basic CSS

This allows us to pass .js.es6 files as valid filenames;

ESLint config: https://github.com/airbnb/javascript