With Can's review: rename Wordcount samples to make it clearer what the source is.
With Can's review: rename Wordcount samples to make it clearer what the source is.

mtopolnik/hazelcast-jet-code-samples,mtopolnik/hazelcast-jet-code-samples,mtopolnik/hazelcast-jet-code-samples,viliam-durina/hazelcast-jet-code-samples,viliam-durina/hazelcast-jet-code-samples