Make RequestMappingHandlerMapping xml config easier

Prior to this commit, it was necessary to override
the HandlerMapping definition to change properties
like useSuffixPatternMatch, useSuffixPatternMatch...

This commits adds new attributes on the
mvc:annotation-driven XML tag that allows to configure
such flags:
* use-suffix-pattern-match
* use-trailing-slash-match
* use-registered-suffix-pattern-match

Issue: SPR-10163
Improve logging in TransactionalTEL

This commit makes the logging in TransactionalTestExecutionListener
consistent for both starting and ending transactions. Specifically,
the current TestContext is now included in the informational log
statement when starting a new transaction.

Issue: SPR-11323
Polish log messages
Move "handlers" field to AbstractSubscribableChannel

Move the management of subscribers to the abstract parent class where
it belongs.
Make TypeDescriptor more amenable to subclassing

Change the previously package scope TypeDescriptor constructor to
protected and add a getResolvableType() protected method.

Issue: SPR-11303
Provide 'with implementationType' overloads

Provided overloaded versions of `forField` and `forMethodParameter` that
accept a `ResolvableType` implementation type (as opposed to a Class).

Primarily added to allow resolution against implementation types that
have been created programmatically using `forTypeWithGenerics`.

Issue: SPR-11218
Updated optional dependencies to most recent minor versions
Update org and repo info in gradle build config

Issue: SPR-11213