Merge pull request #1115 from jay-hodgson/develop

merge from release-54
remove challenges banner
Merge pull request #1116 from jay-hodgson/SWC-1619

SWC-1619: remove challenges banner
add favorites, and other fixes (team invites, popover content)
add tests
Merge pull request #1117 from jay-hodgson/SWC-1625

Swc-1625: add favorites, and other fixes (team invites, popover content)
SWC-1629 and SWC-1630
Merge pull request #1118 from jay-hodgson/release-54

SWC-1629 and SWC-1630
Merge branch 'release-54' into develop