Update the CHANGELOG

CHANGELOG.rst

@@ -6,8 +6,27 @@ This document describes changes between each past release.
 4.1 (unreleased)
 ----------------
 
-- Nothing changed yet.
-
+- Documentation has been cleaned and reorganised.
+- Display a placeholder when no entries are present in the bill
+  list. (#457)
+- Disable the "add bill" action until members are present (#457)
+- Improve invitations UX (#451)
+- Replace export forms by links (#450)
+- Rework homepage design (#445)
+- Docker now downloads IHM from Pypy or the reference git repo (#446)
+- Add a ``compress_assets`` target in the makefile to compress PNG (#459)
+- In the bills list, display the "added on" column as a tooltip (#443)
+- Updated bootstrap to latest stable (#440)
+- Document how to use systemd (#435)
+- Add support for python 3.7
+- Improved "project already exists" message (#442)
+- Improve usability specially for small screen (#441)
+- Add links to documentation, mobile app and git repository in the
+  footer (#445)
+- Add project switcher on login page if already logged (#445)
+- Use weblate to handle translations
+- Add dutch and norvegian translations
+- Arrange navbar items by functions (#445)
 
 4.0 (2019-01-24)
 ----------------
@@ -18,14 +37,14 @@ Added
 - Add CORS headers in the API (#407)
 - Document database migrations (#390)
 - Allow basic math operations in amount field (#413)
-- Add bill.creation_date field (#327) 
+- Add bill.creation_date field (#327)
 - Document PostgreSQL configuration (#415)
 
 Fixed
 =====
 
 - Do not allow negative weights on users (#366)
-- Fix docker image (#398) 
+- Fix docker image (#398)
 - minor documentation changes
 
 Changed