Update changelog based on previous commits.

CHANGELOG.md

@@ -1,3 +1,21 @@
+# Upcoming Wekan release
+
+This release adds the following new features:
+
+- [Auto create Custom Field to all cards. Show Custom Field Label on
+   minicard](https://github.com/wekan/wekan/pull/1987).
+
+and fixes the following bugs:
+
+- Some fixes to Wekan import, thanks to xet7:
+  - isCommentOnly and isNoComments are now optional
+  - Turn off import error checking, so something is imported anyway, and import does not stop at error.
+  - Now most of Sandstorm export do import to Standalone Wekan, but some of imported cards, dates etc are missing.
+  - Sandstorm Import Wekan board warning messages are now translateable.
+- LDAP: Added INTERNAL_LOG_LEVEL. Fix lint and ldap group filter options. Thanks to Akuket.
+
+Thanks to above mentioned GitHub users for their contributions.
+
 # v1.69 2018-11-03 Wekan release
 
 - Update translations.