opf/openproject — pull request #2240 by NobodysNightmare (2014-11-20 14:05:41+00:00)
Title: Specify patchable category

## Work Packages

* https://community.openproject.org/work_packages/17413
* https://community.openproject.org/work_packages/17414
* https://community.openproject.org/work_packages/17415

## Changes

* Category received self-endpoint
* WP links to category
* WP category can be PATCHed