Renaming the Model to reflect latest spec: MobileVariant -> Variant; MobileVariantInstance -> Installation
adding some jvadoc
Renaming DAO interfaces and impls to reflect the new spec wording
Renaming REST endpoints to reflect new spec wording
Service rename, to reflect new spec wordings
Rename methods to reflect new naming
Getting rid of more instance 'wording' usage
more of the renaming, to match the current spec wording
Merge branch 'ModelRenaming'