js/axes.js: Make CloneDB axis visible if we have a cloneDB

See 10c82fbc and #3615 for a better solution

browser/js/axes.js

@@ -278,7 +278,7 @@ Axes.prototype = {
                 fct: function(clone) {return clone.getDeletion('3', 'delLeft')}
             },
             "occCloneDB": {
-                hide : true,
+                hide : (typeof config === 'undefined' || ! config.clonedb),
                 doc: "number of occurrences in cloneDB",
                 label: "cloneDB occurrences",
                 axis: new NumericalAxis(this.m),

[Mathieu Giraud]

parfait, merci !