[maven-release-plugin] copy for tag v3.11.0-alpha11

[maven-release-plugin] copy for tag v3.11.0-alpha10

Update command list

[maven-release-plugin] copy for tag v3.7.0-alpha6

Update README to point to alpha5.

update README for hints tool

Update README.md for 3.0.0-alpha3.

Update README to point to alpha2.

Also move bintray image to top.

3.0.0 (preview release)