Build #3403 (Jan 21, 2021, 8:43:10 PM)

1. update WWIV_RELEASE to 5.6.1 (details / githubweb)
2. let cpack version use WWIV_VERSION (details / githubweb)

Started by upstream project wwiv build number 3403
originally caused by:

• Started by an SCM change

• refs/remotes/origin/main