Added get_indexed_objects method to Page
Make search signal handlers use get_indexed_objects
Search: Added new deduplication method Fixes #710
Use specific page class in all admin actions. Fixes #737
Improved performance of signal handlers
Merge branch 'search/deduplication' of https://github.com/kaedroho/wagtail into kaedroho-search/deduplication-2
Release note for #714
Merge branch 'kaedroho-search/deduplication-2'
Merge branch 'use-specific-page-class-in-admin' of https://github.com/kaedroho/wagtail into kaedroho-use-specific-page-class-in-admin
Merge branch 'kaedroho-use-specific-page-class-in-admin'