* Update wording in README and poll-mirrors.py
* First pass at updating wizard
- lucene/solr -> lucene
- removed solr-only tasks and python functions
* Update addVersion to remove Solr parts
- fixes bug with a regex and missing String qualifier for gradle baseVersion
* buildAndPushRelease - remove solr parts
* githubPRs.py report on PRs from new lucene repo and lucene JIRA only
* update smokeTestRelease.py example in README.md (but not smokeTestRelease.py itself)
* remove Solr references in releasedJirasRegex.py
* Update releasedJirasRegex.py
* Add gpg release signing to buildAndPushRelease.py
Co-authored-by: Christine Poerschke <cpoerschke@apache.org>