changelog updated

CHANGELOG

@@ -3,6 +3,9 @@ minerva (13.1.0~alpha.0) unstable; urgency=low
     outputs used by annotator (#617)
   * Feature: changes in admin panel doesn't require saving - they are saved
     automatically (#676)
+  * Feature: elements can have custom glyphs used for visualization (#487)
+  * Small improvement: all bio entities have z-index associated with them 
+    (#487)
   * Small improvement: validation of the organism and disease id on map upload
     added (#618)
   * Small improvement: added current username next to logout button in admin