App checklist

:recycle: 

- [x] Update manifest
- [x] Update logo
- [x] Fix localization issues

JIRA:

* https://zendesk.atlassian.net/browse/OFFAPPS-22
* https://zendesk.atlassian.net/browse/OFFAPPS-7
* https://zendesk.atlassian.net/browse/OFFAPPS-62

/cc @maximeprades