Update run-opensim.sh to load os-secrets for DB initialization. Rename OS_BRANCH to OS_GIT_BRANCH Rename OS_REPO to OS_GIT_REPO Eliminate OPENSIM_USER and OPENSIM_USER_PASSWORD from os-secrets as they are not used.
Use OS_GIT_DESCRIBE for the additional image label Add image-opensim/config-osgrid opensim-docker version to 4.0.4
Some small bug fixes.
Add NCG build (image-ncg)