Update CHANGELOG.md

to add a note that for users updating to latest version on dev branch, an sql patch needs to be run on mifosplatform-tenants schema

CHANGELOG.md

@@ -6,6 +6,7 @@ See VERSIONING (https://github.com/openMF/mifosx/blob/master/VERSIONING.md) for
 Releases
 ===============
 
+1. ?? Mar 2014 - 1.21.0.RELEASE
 1. 18 Mar 2014 - 1.20.1.RELEASE
 1. 16 Mar 2014 - 1.20.0.RELEASE
 1. 04 Mar 2014 - 1.19.0.RELEASE
@@ -62,6 +63,14 @@ Releases
 1. 05 April 2013 - 0.11.0.beta
 
 
+1.20.0.RELEASE [In Progress]
+=============
+Feature Release
+
+Important: Those updating from an existing installatin to 1.20.* release or higher should run the update https://github.com/openMF/mifosx/blob/develop/mifosng-db/mifosplatform_tenants_updates/update_to_v_1_21_release.sql on `mifosplatform-tenants` schema
+
+
+
 1.20.1.RELEASE
 =============
 Bug Release