SWC-1613, SWC-1661, SWC-1664
Merge pull request #1155 from jay-hodgson/release-56

SWC-1613, SWC-1661, SWC-1664
Merge branch 'release-56' into develop
Merge pull request #1156 from jay-hodgson/develop

merge from release-56
merge from develop
update Synapse repo version