This commit updates Spring Boot's DeferredImportSelector implementations
to group imports in a consistent set. This makes sure ordering is
applied consistently.

Closes gh-12366

* gh-12471:
  Correct default Wavefront proxy port in docs

Closes gh-12471

* gh-12468:
  Fix typos

Closes gh-12468

Closes gh-12442

Closes gh-12463

* pr/12454:
  Remove duplicated @author tags

Closes gh-12454

* pr/12448:
  Polish

Closes gh-12448

* pr/12453:
  Remove redundant "close" call

Closing the resource is handled automatically by the try-with-resources.

Closes gh-12453

* pr/12452:
  "toString()" should never be called on a String object

Closes gh-12452

* pr/12450:
  Polish

Closes gh-12450

See gh-12292

Fixes gh-12381

Closes gh-12440

Closes gh-12439

* pr/12427:
  Polish "Add reference to RabbitMQ (advanced usage) starter"
  Add reference to RabbitMQ (advanced usage) starter

Closes gh-12427

See gh-12427

* pr/12422:
  Polish

Closes gh-12422

* pr/12432:
  Polish "Reorder modifiers to comply with the JLS"
  Reorder modifiers to comply with the JLS

Closes gh-12432

See gh-12432

Closes gh-12437

Closes gh-12434

* pr/12425:
  Polish

Closes gh-12425

Fixes gh-12357

* pr/12411:
  Polish "Get rid of "magic" time constants"
  Get rid of "magic" time constants

Closes gh-12411

See gh-12411