Merge branch '611-custom-overlays' into 'devel_12.1.x'

Resolve "disable "Add overlay" button or improve error message `403` when number of custom layout is greater equal `CUSTOM_LAYOUTS`"

See merge request !572

CHANGELOG

+minerva (12.1.5) stable; urgency=medium
+  * Bug fix: Drugbank changed output format which crashed drug connector
+  * Bug fix: word wrapping fixed in overlay table for long overlay names
+    in Firefox browser
+
+ -- Piotr Gawron <piotr.gawron@uni.lu>  Fri, 10 Janc 2019 14:00:00 +0200
+
 minerva (12.1.4) stable; urgency=medium
   * Bug fix: no check for limit on custom data overlays fixed
   * Bug fix: error message improved when there is privilege problem during 

frontend-js/src/main/js/gui/AddOverlayDialog.js

@@ -292,7 +292,7 @@ AddOverlayDialog.prototype.open = function () {
               var errorMessage = JSON.parse(error.content);
               GuiConnector.alert("Problematic input: <br/>" + errorMessage.reason);
             } else if (error instanceof SecurityError) {
-              GuiConnector.alert("You cannot add more overlays");
+              GuiConnector.alert("You cannot add more overlays, Custom Overlay limit is reached.");
             } else {
               GuiConnector.alert(error);
             }