Revert "Removed references to attendance " (left translations removed)

This reverts commit d06e75e647fdec3559807371897b18d99965cc90.
Converted all container controllers to using IViewModel
Tidy
Added Primary Email Address to CSV download
Fixed minor bug in login form
Fixed style warning
Breaking changes
Fixed display bug
Made braking changes.
Added Assosiation Metadata
Update notes in line with breaking changes
Fixed ContainerMemberShips
Moved Mapper.CreateMap to views rather than controller
Fixed minor bug in delta
Fixed missing implementation
spelling fix
Fixed js issue
fixed spelling error in comment
Finished Associations
Changed ordering