Update ConditionalOnProperty to optionally support relaxed form names.

Fixes gh-835

Update reference documentation to make it clearer why you might not
always want to use the spring-boot-starter-parent.

Fixes gh-774

Update to latest release of Spring Plugin and provide dependency
management for all of its modules

Closes #802

Add an explicit dependency to `hamcrest-core` in the
`spring-boot-starter-test` POM. This prevents version 1.1 from
accidentally being pulled in via junit.

Fixes gh-810

Reorder dependencies so that they're consistently in alphabetical
order

Update @ConditionalOnProperty so that properties that are present but
contain the value `false` are not considered a match.

Fixes gh-812

Fixes gh-811

Rework HealthIndicator support

* conditionalOnPropertiesPresent:
  Add @ConditionalOnProperty annotation

Add @ConditionalOnProperty which enables conditional bean creation when
all required properties are defined in the Environment.

Fixes gh-812

Add a `versionManagement` gradle configuration which can be used to
provide alternative version meta-data. Primarily added so that the
Spring IO platform can provide version overrides without causing a
cyclic build dependency.

Fixes gh-750

Temporarily remove the spring-data release train BOM since it cannot
be resolved until it is published to maven central.

The previous solution of adding an additional repository has been
reverted as it will pollute POMS for users that inherit from the
spring-boot-starter-parent POM.

This reverts commit 1ef3d3bd.

For the convenience of users who want to selectively override the
access rules in an application without taking complete control of the
security configuration we now have some constants:

* SecurityProperties.ACCESS_OVERRIDE_ORDER for overriding just the
application endpoint access rules

* ManagementServerProperties.ACCESS_OVERRIDE_ORDER for overriding the
application endpoint and management endpoint access rules

Fixes gh-803

The transitive dependency org.neo4j:neo4j-cypher-dsl:2.0.1 isn't
available in Maven Central. This was leading to frequent build breaks
so we've decided to remove the Neo4J starter until all of its
dependencies can be resolved from Maven Central.

Fixes #797

Refactored HealthEndpoint to be able to take multiple HealthIndicators. Extracted configuration of HealthIndicators out of EndpointAutoConfiguration and added new HealthIndicatorAutoConfiguration class.

Added HealthIndicators for Redis and Mongo.

This brings Boot's dependency management into line with the version
of GemFire used by Spring Data GemFire in the Dijkstra release train

Upgrade to latest version of AspectJ and provide dependency management
for all of its modules.

This (empirically) fixes gh-726 using a new utility
(LogbackInitializer) in the loader tools. If anyone has enough
Gradle fu to understand where to put it (after the classpath is established
but before compilation) we could do the same thing in the Gradle plugin
(and that would fix gh-724).

All dependencies have recently moved to the spring-boot-dependencies
POM but that POM does not contain the repositories that are required to
download milestone artifacts.

This commit moves the default profile that is active by default at the
right place in the hierarchy so that it is applied there as well.

In addition to the upgrade to Dijkstra (#743) Spring HATEOAS has been
upgraded to 0.11.0 (#801) and Mongo's Java driver has been upgraded to
2.12.1 (#689). In both cases this is the same version as is used by
Dijkstra RC1.

The new version of Mongo's Java driver changes the exception that's
thrown when Mongo isn't running and a connection attempt fails. The
Mongo sample has been updated accordingly.

RepositoryRestMvcAutoConfiguration has been updated to be configured
before JpaRepositoriesAutoConfiguration. This ensures that the
former's transitive import of SpringDataJacksonConfiguration takes
precedence over the latter's import of the same. This is necessary as
RepositoryRestMvcConfiguration requires a bean that's declared by
SpringDataJacksonConfiguration and, if JpaRepositoriesAutoConfiguration
is processed first, its conditions may cause the import
SpringDataJacksonConfiguration to be skipped causing instantiation
of RepositoryRestMvcConfiguration to fail.

Closes #689
Closes #743

Replace the `spring-boot.version` property with a hard-coded value,
rather than relying on the parent version. Allows locally installed
snapshots to be used as the parents of projects with a different version
number.

Upgrade to latest release of Spring AMQP and provide dependency
management for all of its modules

Closes #799

Closes #397 and #717

This commit provides several options to exclude one or more
dependencies:

* excludes allows to specify an arbitrary number of exclude sub
  element defining the groupId and artifactId of the dependency
  to exclude
* excludedGroupIds defines the comma separated list of groupIds
  to exclude
* excludeArtifactIds defines the comma separated list of artifactIds
  to exclude

While any artifact can be excluded, this is designed to exclude
provided-scoped dependencies that should not be bundled in the
executable jar/war.

The outcome of java -jar myapp.jar should be consistent with the run
goal: these exclusions are therefore applied to the classpath that
the run goal computes to launch the application.

This commit also adds some integration tests and updates the
plugin's documentation

Fixes gh-649, gh-650 and gh-674