[OEM-118] Fix ward filter on print diary
Update RELEASE notes
[OEM-111] show completed operations as a new method type in the transport list with a filter checkbox that is unchecked by default.
[OEM-117] bugfix for generateSessions command
[OEM-117] updated release file
[OES-229] implemented method to retrieve the site for a given booking event
[OES-229] updated RELEASE
[OEM-127] removed default on anasthetic_type_id in et_ophtroperationbooking_operation
[OEM-121] not null
[OEM-121] Change anaesthetic to not null
Update RELEASE
Merge branch 'hotfix/OEM-109' into rc/1.5-hotfix4

Conflicts:
	components/OphTrOperationbooking_API.php
Merge branch 'hotfix/OEM-111' into rc/1.5-hotfix4
[OEM-111] bugfix for transport not showing completed items
Update RELEASE notes
Merged from master and fixed conflicts
[OEM-127] added api method to retrieve a booking by the event_id
Merge branch 'master' into release/1.6
Merge branch 'release/1.6' into develop