Prepare 1.2.6 release

protected/humhub/config/common.php

@@ -12,7 +12,7 @@ Yii::setAlias('@config', '@app/config');
 
 $config = [
     'name' => 'HumHub',
-    'version' => '1.2.5',
+    'version' => '1.2.6',
     'basePath' => dirname(__DIR__) . DIRECTORY_SEPARATOR . '..' . DIRECTORY_SEPARATOR,
     'bootstrap' => ['log', 'humhub\components\bootstrap\ModuleAutoLoader', 'queue'],
     'sourceLanguage' => 'en',

protected/humhub/docs/CHANGELOG.md

@@ -1,14 +1,19 @@
 HumHub Change Log
 =================
 
-1.2.6  (Unreleased)
+1.2.6  (May 14, 2018)
 -----------------------
 
+When you are using a custom theme, you may need to add the newly introduced footer navigation to your overwritten view files.
+You can find a full list of the view changes here: https://github.com/humhub/humhub/commit/a1815fb61d83619ce9ca40166800b8c5dcb9d539
+
 - Fix #3108: Fixed cronjob examples with leading zero (acs-ferreira)
 - Fix: Memory leak in activity mail summary processor cron
 - Fix: With enabled guest mode BaseAccountController does not redirect to login page
 - Enh: Added footer navigation - FooterMenu widget
 - Enh: Added HForm class events EVENT_AFTER_INIT and EVENT_BEFORE_RENDER
+- Enh: Updated translations
+
 
 1.2.5  (April 11, 2018)
 -----------------------