0.4.5

- [X] Backlog
- [X] 'Sync from trello' must preserve unknown data card in drawer - CLOSE #167
  - [x] Extract unknown information and store them in org entity representation
  - [X] Ensure those data transit back in trello data when merging
  - [X] Write back those unknown information in the sync from trello
- [X] Update version
- [X] Release notes