added "Future submit(Runnable)" and "Future submit(Callable)" to AsyncTaskExecutor; SchedulingTaskExecutor interface extends AsyncTaskExecutor; added ExecutorServiceAdapter class as a standard wrapper for a Spring TaskExecutor; added ThreadPoolExecutorFactoryBean; reduced backport-concurrent support to TaskExecutor adapters

Fixed toString(), toShortString(), and toLongString() methods for signature and join point (SPR-5437)

Removing support for running HSQL in stand-alone mode.  Out of the box embedded HSQL and MySQL are supported.

Created DbcpDataSourceFactory factory bean to create and populate a dbcp based connection pool.  The factory bean is based on EmbeddedDataSourceFactory from the JavaConfig version of Pet Clinic.  The new DbcpDataSourceFactory has been tested with HSQL in embedded and stand-alone modes.

Introduced default field prefix of '!', which can be overridden with WebDataBinder#setFieldDefaultPrefix.  If a field is otherwise not present, the default value is used for the field.  Field markers for the same field are ignored.

The form:options and form:radiobuttons tags will now render a set of options automatically if the bind target is an Enum and items are not otherwise specified.  The values of the enum are converted into form inputs where by default the form value is the enum's name() and the form label is the enum's toString().

removing org.springframework.testsuite, subversive desided to commit the directory without prompting me...

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