updated core to 7.54

CHANGELOG.txt

@@ -1,4 +1,32 @@
 
+Drupal 7.54, 2017-02-01
+-----------------------
+- Modules are now able to define theme engines (API addition:
+  https://www.drupal.org/node/2826480).
+- Logging of searches can now be disabled (new option in the administrative
+  interface).
+- Added menu tree render structure to (pre-)process hooks for theme_menu_tree()
+  (API addition: https://www.drupal.org/node/2827134).
+- Added new function for determining whether an HTTPS request is being served
+  (API addition: https://www.drupal.org/node/2824590).
+- Fixed incorrect default value for short and medium date formats on the date
+  type configuration page.
+- File validation error message is now removed after subsequent upload of valid
+  file.
+- Numerous bug fixes.
+- Numerous API documentation improvements.
+- Additional performance improvements.
+- Additional automated test coverage.
+
+Drupal 7.53, 2016-12-07
+-----------------------
+- Fixed drag and drop support on newer Chrome/IE 11+ versions after 7.51 update
+  when jQuery is updated to 1.7-1.11.0.
+
+Drupal 7.52, 2016-11-16
+-----------------------
+- Fixed security issues (multiple vulnerabilities). See SA-CORE-2016-005.
+
 Drupal 7.51, 2016-10-05
 -----------------------
 - The Update module now also checks for updates to a disabled theme that is