Issue: SPR-11210

This commit documents meta-annotation support for test-related
annotations in the TestContext framework within the reference manual.

Issue: SPR-11109

Replace references to VMware in license, notices and maven generation
with Pivotal, Inc.

Issue: SPR-11073

Prevent early FactoryBean creation for type checking purposes when coming from a factory method on yet another bean (e.g. from a configuration class)

Issue: SPR-11202

Update the reference documentation with "What's new in Spring 4.0".

Update the MVC reference documentation with the new concepts and classes
introduced in Spring 4.0
This reverts commit 6f874d734a2a38431c74444894f54797ecf74933.

Update reference documentation with a new section for Spring 4's
WebSocket support.

Remove reference to removed deprecations and generally cleanup the MVC
documentation.
Cleanup Struts

Polish and cleanup the asciidoc source and prepare the reference guide
for the upcoming Spring 4.0 release.

Remove the entire What's new in Spring 3 section from the reference
documentation.

Extract the appendix into a separate asciidoc file in order to make the
main index.adoc easier to work with.

Issue: SPR-11209

Issue: SPR-11208

As a benefit over the "shared" flag, this allows for sharing a specific CacheManager in a system with potentially multiple CacheManagers involved, and it supports controlled shutdown by the EhCacheManagerFactoryBean that actually created the CacheManager.

Issue: SPR-11178

Issue: SPR-10791

Issue: SPR-11002

Also moving the associated unit tests to the correct package beans.factory.annotation

Issue: SPR-10458

Issue: SPR-11091

- Completed Javadoc for MetaAnnotationUtils.
- Added Javadoc notes to multiple annotations in the TCF, pointing out
  which annotations can be used as meta-annotations.

Issue: SPR-11109

Issue: SPR-11107

Issue: SPR-11076

Issue: SPR-10986

Issue: SPR-11097

Issue: SPR-11098

Fix a potential race condition with GenericMessagingTemplate's inner
TemporaryReplyChannel class.

Prior to this commit the `hasReceived` member variable was read after
calling `replyLatch.countDown()`.

Issue: SPR-11206

This commit fixes a bug introduced in the last commit.

ServletTestExecutionListener (STEL) now tracks whether it has already
populated the RequestContextHolder.

Issue: SPR-11144