Fixed missing translations in Channels interface.

languages/en.ini

@@ -175,6 +175,7 @@ channel_add_more = "Add more channels like this"
 channel_expand = "Explore related channels"
 channel_explore = "Explore Channels"
 channel_search = "Show items as search results"
+channel_searchbox_label = "Search for more channels:"
 Check Hold = "Check Hold"
 Check Recall = "Check Recall"
 Checked Out = "Checked Out"

module/VuFind/src/VuFind/ChannelProvider/Facets.php

@@ -26,6 +26,7 @@
  * @link     https://vufind.org/wiki/development Wiki
  */
 namespace VuFind\ChannelProvider;
+use VuFind\I18n\Translator\TranslatorAwareInterface;
 use VuFind\RecordDriver\AbstractBase as RecordDriver;
 use VuFind\Search\Base\Params, VuFind\Search\Base\Results;
 use VuFind\Search\Results\PluginManager as ResultsManager;
@@ -41,7 +42,9 @@ use Zend\Mvc\Controller\Plugin\Url;
  * @link     https://vufind.org/wiki/development Wiki
  */
 class Facets extends AbstractChannelProvider
+   implements TranslatorAwareInterface
 {
+    use \VuFind\I18n\Translator\TranslatorAwareTrait;
     /**
      * Facet fields to use (field name => description).
      *
@@ -311,7 +314,7 @@ class Facets extends AbstractChannelProvider
         return $this->buildChannel(
             $results,
             "$field:{$value['value']}",
-            "{$this->fields[$field]}: {$value['displayText']}",
+            $this->translate($this->fields[$field]) . ": {$value['displayText']}",
             $tokenOnly
         );
     }

themes/bootstrap3/templates/channels/channelList.phtml

@@ -12,9 +12,9 @@
 
 <? if (empty($token)): ?>
   <form action="<?=$this->url('channels-search')?>" class="form-inline">
-    Search for more channels:
+    <?=$this->transEsc('channel_searchbox_label')?>
     <input type="text" name="lookfor" class="form-control" value="<?=$this->escapeHtmlAttr($this->lookfor) ?>"/>
-    <input type="submit" class="btn btn-default" />
+    <input type="submit" value="<?=$this->escapeHtmlAttr($this->translate('Submit'))?>" class="btn btn-default" />
   </form>
 <? endif; ?>