[enh] Allow to persist cache to local storage

[fix] Make sure to update all params, in window.location.href when searching on last records

www/js/services/cache-services.js

@@ -11,7 +11,8 @@ angular.module('cesium.cache.services', ['angular-cache'])
       SHORT: csSettings.defaultSettings.cacheTimeMs // around 1min
     },
     storageMode = getSettingsStorageMode(),
-    cacheNames = []
+    cacheNames = [],
+    listeners = []
   ;
 
   function getSettingsStorageMode(settings) {
@@ -100,7 +101,7 @@ angular.module('cesium.cache.services', ['angular-cache'])
 
   function addListeners() {
     listeners = [
-      // Listen if node changed
+      // Listen for settings changed (e.g. the storage mode)
       csSettings.api.data.on.changed($rootScope, onSettingsChanged, this)
     ];
   }

www/templates/settings/settings.html

@@ -244,7 +244,7 @@
           </label>
         </div>
 
-        <!-- Block validity window-->
+        <!-- Block validity window -->
         <label class="item item-input item-select item-text-wrap">
           <div class="input-label hidden-xs">
             <span translate>SETTINGS.BLOCK_VALIDITY_WINDOW</span>