* Build Lucene binary distribution using Gradle
* Generate SHA-512 checksums for all release artifacts
* Update documentation artifacts included in binaries
* Delete some additional Ant relics
Co-authored-by: Dawid Weiss <dawid.weiss@carrotsearch.com>
Co-authored-by: Uwe Schindler <uschindler@apache.org>
* Restore lucene/version.properties
* Switch release wizard commands from ant to gradle equivalents
* Remove remaining checks for ant
* Remove checks for Java 8
* Update Copyright year
* Minor bug fixes around determining next version for a major release
* LUCENE-8837: smokeTestRelease.py option --download-only
Move download() and check_and() functions to scriptutil
Add cwd param to run() function in scriptutil
Move the check_ant function from buildAndPushRelease into scriptutil.py, and let it return the version.