This reverts commit ab567242.

* pr/383:
  Remove SonarQube configuration file

Closes gh-383

The @DataJpaTests creates all the repositories. There's no need
for a filter (and there aren't any matching @Service beans anyway).

* pr/369:
  Fix links

Closes gh-369

See gh-361

* pr/358:
  Polish "Add documentation for IntelliJ IDEA"
  Add documentation for IntelliJ IDEA

Closes gh-358

See gh-358

* pr/359:
  Fix indent in readme.md

Closes gh-359

See #339

* pr/335:
  Polish "Clarify cache configuration"
  Clarify cache configuration

Closes gh-335

See gh-335

* pr/334:
  Fix wrong link for CacheConfiguration

Closes gh-334

* pr/332:
  Polish "Enable caching of static resources"
  Enable caching of static resources

Closes gh-332

See gh-332

Closes gh-333

* pr/330:
  Adapt JMeter script to recent changes

Closes gh-330

* pr/328:
  Polish "Use Java 8 LocalDate instead of java.util.Date"
  Use Java 8 LocalDate instead of java.util.Date

Closes gh-328

See gh-328