Problem: JNI unable to build against snapshots
Problem: JNI unable to build against snapshots

Solution: Decide depending on whether building for a release or not if
to choose the latest release or latest snapshot.

zeromq/zyre,zeromq/zyre,zeromq/zyre,zeromq/zyre,zeromq/zyre,zeromq/zyre,zeromq/zyre,zeromq/zyre