rename VerdantAdminModelForm* to WagtailAdminModelForm
rename verdant_hooks modules to wagtail_hooks
Rename hallo.js plugins from verdant to wagtail
rename X-Verdant-Preview HTTP header to X-Wagtail-Preview
Verdant -> Wagtail on initial page title
rename verdant_site_root_paths to wagtail_site_root_paths
VERDANTADMIN_NOTIFICATION_FROM_EMAIL -> WAGTAILADMIN_NOTIFICATION_FROM_EMAIL
change verdant_preview_* window names to wagtail_preview_
rename verdantuserbar to wagtailuserbar
rename VERDANT_SITE_NAME to WAGTAIL_SITE_NAME (and remove todo note - there's no way to pass in a name that's particularly better than the settings file)
change default value of WAGTAILSEARCH_ES_INDEX from verdant to wagtail (and keep the name 'verdant' for RCA's instance)