Partially inline, inline as HTML-comment, which is easy to see when looking at the HTML source.  Testing out some was to discuss this doc while writing.

To collect all processing steps in the build.xml the reproducible spec shell script was converted into an Ant task.

This should also be done with the remaining scripts, e.g.'convert.sh'.

Related to #24217.

Sometimes relay versions are different in the descriptor and in the
consensus. Onionoo uses the consensus version.

Documentation fix for #22488.

As part of this update, support "ongoing" events introduced in version
215.

The issue was that we didn't include required libraries for fetching
and parsing CollecTor's index.json file.

Fixes #24792.

This test still needs to be adapted to not fail, cf. TODOs.
Changed some types to lowercase, pgTAP seems to also test case on types.

Indicate that this is not the typical descriptor, but only provides relevant
information for the ipv6servers module.

And use some java 8 to shorten the method.

This includes moving the Java and Sql sources as well as test sources,
and adaption of paths in test classes.  Created an ant task 'ipv6server'
and added its call to run-web-prepare target.

Implements #24218.

Heavily based on input from teor.

Implements #23761.

Implements #24218.

Avoid checkstyle complaint.

As in commit 32b0a837 this leads to problems in locales not using a decimal dot.

Make testFormatBytes pass on servers with a locale not using a decimal dot.