add note to 5.1.2

SeedDMS_Core/package.xml

@@ -25,6 +25,9 @@
  <license uri="http://opensource.org/licenses/gpl-license">GPL License</license>
  <notes>
 - all changes from 5.0.9 merged
+- SeedDMS_Core_User::getReceiptStatus() and SeedDMS_Core_User::getReviewStatus()
+only return entries of the latest document version if not specific document and
+version is passed
  </notes>
  <contents>
   <dir baseinstalldir="SeedDMS" name="/">