Merge pull request #54 from ministryofjustice/PostgresMerge

Postgres merge
[#APOLLO-2911] Corrected name of PFA
Merge pull request #55 from ministryofjustice/APOLLO-2581_Correspondence_template_feedback

[#APOLLO-2911] Corrected name of PFA
APOLLO-2753 Added in extra field for notifications
APOLLO-2753 Fixed broken test
APOLLO-2753 Updated coverage and accessed the correct variable
Merge pull request #57 from ministryofjustice/APOLLO-2753

APOLLO-2753 Added in extra field for notifications
[APOLLO-2858] - added active date to tasks
Merge pull request #58 from ministryofjustice/APOLLO-2858

[APOLLO-2858] - added active date to tasks
APOLLO-3027 Updated domain module to store a systemType#
Merge pull request #59 from ministryofjustice/APOLLO-3027

APOLLO-3027 Updated domain module to store a systemType#
APOLLO-3303 Updated active date creation, covered by tests
APOLLO-3033 Filter for active tasks working
Merge pull request #60 from ministryofjustice/APOLLO-3033

Apollo 3033
Add null default to setDueDate(...) method
Merge pull request #61 from ministryofjustice/duedatenull

Add null default to setDueDate(...) method
Merge branch 'master' into postgresLinkedPersons