Re-enable Export Wekan board. Thanks to nebulade !

CHANGELOG.md

@@ -4,13 +4,15 @@ This release adds the following new features:
 
 * [Change the way to delete a list (card-like)](https://github.com/wekan/wekan/pull/1050), fixes
   [missing undo button](https://github.com/wekan/wekan/issues/1023);
-* [When deleting list, delete list's cards too](https://github.com/wekan/wekan/pull/1054).
+* [When deleting list, delete list's cards too](https://github.com/wekan/wekan/pull/1054);
+* [Re-enable Export Wekan Board](https://github.com/wekan/wekan/pull/1059).
 
 and fixes the following bugs:
 
 * [Fix IE 11 drag board to scroll](https://github.com/wekan/wekan/pull/1052).
 
-Thanks to GitHub users BaobabCoder and nztqa for their contributions.
+Thanks to GitHub users BaobabCoder, nebulade and nztqa for their
+contributions.
 
 # v0.23 2017-05-21 Wekan release