h2 embedded db support; updated formatting conventions not to auto-format javadoc; added hsqldb and h2 to jdbc maven pom as optional deps

added DataSourceFactory strategy; promoted EmbeddedDatabaseConfigurer strategy to public API; added ability to add any number of SQL scripts for db population

embedded database support initial commit; moved from spring-test; ResourceDatabasePopulator duplicate code with test.jdbc package that needs review

Place parent pom in publicly accessible directory (org.sf.spring-parent).  
Create a component list pom in org.sf.spring-library.

added a config property to control defaulting of primitive property when receiving null value from result (SPR-5588)

changed MapSqlParameterSource to SqlParameterSource in executeFunction and executeObject methods for SimpleJdbcCall (SPR-5570)

defaulting primitive property when receiving null value from result in BeanPropertyRowMapper (SPR-5588)

SPR-5385, SPR-5301 - initial pass completed of POMs for maven central repository upload. N.B. Can not build spring with these POMs.
Cleanup remains to meet maven central metadata requirements

added the option of providing a database specific custom SQLExceptionTranslator to provide customized translation for any SQLException before the error codes translation happens (SPR-4899)

added a concrete GenericSqlQuery class to make it possible to configure in application context (SPR-3986)

added a concrete GenericStoredProcedure class to make it possible to configure using application context (SPR-3987)

added "flush()" method to TransactionStatus and TransactionSynchronization interfaces; test context manager automatically flushes transactions before rolling back; general polishing of transaction management code