Changelog entry for #300

CHANGELOG.txt

@@ -19,6 +19,7 @@ Changelog
  * Added 'construct_whitelister_element_rules' hook for customising the HTML whitelist used when saving rich text fields
  * Added 'in_menu' and 'not_in_menu' methods to PageQuerySet
  * Added 'get_next_siblings' and 'get_prev_siblings' to Page
+ * Added init_new_page signal
  * Fix: Animated GIFs are now coalesced before resizing
  * Fix: Wand backend clones images before modifying them
  * Fix: Admin breadcrumb now positioned correctly on mobile