See gh-7226

See gh-10456

See gh-10455

See gh-10454

See gh-7226

See gh-10453

Closes gh-10430

Closes gh-10439

See gh-7226

Closes gh-10445

Simplify `AuthenticationManagerConfiguration` following the recent
Spring Security auto-configuration updates.

See gh-7958

Closes gh-10325

Liquibase does not currently work with Java 9. This commit disables on
test reproducing that behaviour when running with that version.

See gh-10442

See gh-7226

Closes gh-9530

The translations for the timezone names vary between Java 8 and Java
9. For example, with Java 9, UTC's name is no longer localized while
others have different localizations. This commit updates the test
to verify that the correct locale is being used while also tolerating
the different localization's of Java 8 and 9.

See gh-7226

Closes gh-10436

Closes gh-10435

See gh-10439

See gh-10328

See gh-10329

See gh-7053

See gh-10326

See gh-7226

This commit makes sure to return a 404 status if the env endpoint is
invoked with a property that does not exist in the environment.

Closes gh-10179

This commit changes the output of a single property to mention the
actual value in the environment as well as the property source that
contributed to the value.

Closes gh-10178

Closes gh-9925

Closes gh-10385

Prior to this commit, if a key was present in multiple PropertySources,
all descriptors shared the same common value. This commit makes sure
that each PropertySource descriptor shows the value it defines rather
than the one that is promoted in the Environment.

Closes gh-10428

* gh-9590:
  Polish "Support inlining a conf script into the default launch script"
  Support inlining a conf script into the default launch script