discourse/discourse — pull request #2297 by ligthyear (2014-04-26 07:36:36+00:00)
Title: Custom fields for Topic, Category, Post and Group

Please see https://meta.discourse.org/t/deprecating-hstore-meta-data-fields/14962/10?u=lightyear

---

In Detail:

- Moves CustomFields from User into its own Concern with its own Tests
- Adds CustomFields to Category, Post and Group
- Adds CustomFields support for Topic, dropping the meta_data hstore while having a backwards compatible API and migrating the existing data
- Adds Array support to CustomFields

Split into multiple Commits to split changes into atomic chunks.