[#3873] Add SQLDialect.predecessor() to establish historic dependencies
between SQLDialects
[#2919] Distinguish various PostgreSQL versions in the PostgreSQL
family: 9.3, 9.4
Don't reference commercial dialects from unit tests
[#584] [#3874] 
- Add a XMLasDOMBinding that can be used to bind SQLXML data types to org.w3c.dom.Node
- Add a AbstractXMLasObjectBinding that can be used to bind SQLXML data types to JAXB-annotated types
[#3870] Add support for aggregate FILTER clause
[#3875] Add support for PostgreSQL 9.4 ordered-set aggregate functions
Fixed jOOQ OSS edition compilation errors
[#2498] Add support for SQL Standard PERCENTILE_CONT() and PERCENTILE_DISC() inverse distribution functions
[#3872] Emulate MEDIAN(x) via PERCENTILE_CONT(0.5) WITHIN GROUP (ORDER
BY x) in PostgreSQL 9.4