RC4.275 - the main repository with the packages
RC4.276 - the duplicated repository for the modeling package only

The release needs both, RC4.275 and RC4.276.

RC4.combined takes the modeling artifacts and metadata from the RC4.276 repository,
everything else from the RC4.275 repository.

SR1: This service release is made of SR1 + SR1a
artifacts.jar.SR1a, content.jar.R_SR1a

SR2: Release has been stopped.

SR2a: This is the real SR2 release, made from build SR2.203