Fixed migration for adding send_from to EmailOutboxMessage
LILY-372: Make it possible to delete email templates
Merge tag '0.2.28' into develop

Release 0.2.28
Merge tag 'hotfix/fix-utf8-quietMillis-spacequery' into develop

Hotfix: utf-8, quietMillis, space queries
Merge branch 'feature/fix-send-from-migration' into develop
Merge tag 'hotfix/quick-cases-fix-select2' into develop

Hotfix: Quick cases, use right filters for select2
Hotfix: lowercase search in ES
LILY-499: Extend the search api for extended Contact search
LILY-494: Better select2 behavior on accounts & contacts
LILY-497: added & changed buttons
1/2 LILY-500: Prepare the search api for contact list view
1/2 Merge branch 'feature/500-contact-list-es' into develop
1.5/2 LILY-500: Extend the search api for extended Contact search
1.6/2 LILY-500: dont store empty arrays for Contact search api
LILY-483: improve Dataprovider lookup
Merge branch 'feature/483-dataprovider-update' into develop
1.7/2 LILY-500: prepare Contact search API, use lambda signals, fix Account, fix m2m
LILY-443: speedup of historylist by adding more fields to emailaddressheader
Merge branch 'feature/speedup-historylist-emails' into develop
Merge branch 'hotfix/0.2.29.1' into develop

Conflicts:
	lily/messaging/email/migrations/0024_email_address_header_update_extra_fields.py