This (rather large) merge request implements the synchronization of promoted releases using the new entrypoint
The configuration has been extended to allow overriding the local synchronization directory (and other options) on a per project basis and to ensure that each release type name is unique.
A Unix timestamp (i.e.
date +%s) may be written to a configurable file upon changes to the sync dir.
The temporary directory to which artifacts are downloaded may be set to the sync dir (else it is the per-user temporary directory).
Fixes #12 (closed)