This reverts 2ecb33f7 and largely reverts 2c619f8d.

docker-java 3.0 was causing a variety of problems and it appears that
we can get things working with Docker Java 2.2.x and Jackson 2.6.

See gh-5258

This commit allows to generate the packaged artifact only locally by
adding a new `attach` property. If `attach` is set to `false` explicitly,
only the main artifact is installed/deployed.

Closes gh-5258

Previously, the launch script integration tests ran happily on OS X and
on Bamboo’s Linux instances. With the upgrade to docker-java 3.0 that
is no longer the case with the default DockerClientConfig failing on
Bamboo as the default DOCKER_CERT_PATH location does not exist.

This commit updates the client configuration so that it attempts to
build the configuration once in it default configuration and, if this
fails, it tries again without TLS verification. This skips the check
of DOCKER_CERT_PATH’s validity.

If a `MessageConverter` bean is available, we now associate it to the
created `RabbitTemplate` and `RabbitListenerContainerFactory`. That way,
registering a custom `MessageConverter` is all that's needed.

The Rabbit auto-configuration is now using the new `ObjectProvider` that
offers a nicer API to detect if a primary candidate is available for
optional collaborators.

Closes gh-5088

State is accumulating unnecessarily in AST tranformation instances.
We can fix the ones we have implemented so far just by using a
local variable and passing it into the methods where it is used.
All the methods are private so this change is safe in a point release.

Fixes gh-5283

If a `MessageConverter` bean is available, we now associate it to the
created `JmsTemplate` and `JmsListenerContainerFactory`. That way,
registering a custom `MessageConverter` is all that's needed.

The JMS auto-configuration is now using the new `ObjectProvider` that
offers a nicer API to detect if a primary candidate is available for
optional collaborators.

Closes gh-4282

Previously, Repackager used Java 8 APIs without protecting against the
possibility of a NoSuchMethodError on earlier versions of Java.
This commit wraps the Java 8 APIs in try-catch blocks to ensure
that they do not cause a failure on Java versions before 8, while
still making full use of Java 8's capabilities when available.

Closes gh-5280

Previously, if a bean of type `CacheResolver` was present in the context
the whole cache auto-configuration would back off. If said
`CacheResolver` hasn't been defined via the `CachingConfigurer`
infrastructure, the application context would fail with a rather
unpleasant error message.

It can be quite common to define custom `CacheResolver` beans as the cache
annotations allow to defines custom cache resolvers per operation. This
commit makes sure that the cache auto-configuration will back-off only if
the `CacheResolver` is named `cacheResolver`.

Closes gh-5201

Previously, Animal Sniffer checking of spring-boot-loader-tools
was disabled as it failed with an NPE. This has been fixed in
Animal Sniffer 1.15.

This commit upgrades Animal Sniffer to 1.15 and adds the necessary
annotations to suppress failures for safe usage of sun.* and Java 7
APIs.

Note that UsesUnsafeJava has been copied from spring-boot and made
package-private. This retains the clearer intent of the custom
annotation (versus @IgnoreJRERequirement) while avoiding the change
in the build order that would be necessary for
spring-boot-loader-tools to use the annotation from spring-boot.

Closes gh-5284

See gh-4903

* pr/4903:
  Polish contribution
  Add Caffeine cache support

Closes gh-4903

See gh-4899

Closes gh-5274

Previously, if DataSourceAutoConfiguration had been explicitly excluded,
DevToolsDataSourceAutoConfiguration would cause refresh to fail due to
a missing DataSourceProperties bean. This commit corrects the condition
so that the auto-configuration is conditional on a DataSource bean and
a DataSourceProperties bean rather than only being conditional on one or
the other.

Closes gh-5269

Previously, the launch script integration tests used Jackson 2.1 to
align with the requirements of docker-java 2.x. This stopped working
when we upgraded to Spring Framework 4.3 which requires Jackson 2.6+.

This commit updates the launch script integration tests to use
docker-java 3.0.0-RC1 which is compatible with Jackson 2.6.x. An added
benefit is that 3.0 also adds support for copying an archive to a
container, allowing the custom command that performs this function to
be removed.

Closes gh-5278

* pr/5204:
  Polish contribution
  Add CONF_FOLDER property

Closes gh-5204

Closes gh-5203

See gh-4900

* pr/5254:
  Fix logger classname

Closes gh-5254

Closes gh-5237