allow for S3 repos in test_functions::create_repo()
FIX: check_catalog_presence() and get_catalog_count()
show storage type in `cvmfs_server list`
remove unused variable upstream_path_
Cosmetics: replace tab indentation by spaces
add repo name as namespace in S3 buckets
add `cvmfs_server mkfs -s` to create S3 repos
`cvmfs_server add-replica -s` for S3 based Stratum1
test adaption for stratum 1s1 on S3
rename get_repo_storage() to get_local_repo_storage()
adapt get_repo_url() to cope with S3 as well