Directory-components

[Full Changelog](https://github.com/uktrade/directory-components/pull/215/files)

Implemented enhancements
- Added support for Django 2 -> 2.2

[Full Changelog](https://github.com/uktrade/directory-components/pull/213/files)

Implemented enhancements
- Gave `hero_with_cta` a min-height of 350px

[Full Changelog](https://github.com/uktrade/directory-components/pull/210/files)

Implemented enhancements
- Added ga360_tracker tag for adding GA360 attributes to components.

[Full Changelog](https://github.com/uktrade/directory-components/pull/211/files)

Breaking changes
- Fixed leaking of information between ga360_payload in different requests

[Full Changelog](https://github.com/uktrade/directory-components/pull/209/files)
Implemented enhancements
- Added separate isd url via directory-constants context processor

Breaking changes
- Added separate isd url please set DIRECTORY_CONSTANTS_URL_INVESTMENT_SUPPORT_DIRECTORY in all dev environments

[15.2.0](https://pypi.org/project/directory-constants/15.2.0/) (2019-06-03)
[Full Changelog](https://github.com/uktrade/directory-components/pull/208/files)

Implemented enhancements
- Added contact form office finder url to urls_processor

[Full Changelog](https://github.com/uktrade/directory-components/pull/205/files)

Implemented enhancements
- CI-108: Improve error handling to be simpler and give more informative error messages.