HV-373 XML configuration of constructor and method constraints including tests.

Also formatting existing code.
HV-373 Aligning also field and getter parsing to generate raw model directly. Adding support for group conversion on getter/field
HV-373 Implementing annotation ignores
HV-373 Fixing executable builder to merge metadata from different providers for one constructor
HV-373 Consistent naming of Builder classes and verification that constructors/methods are only defined once per bean
HV-373 test for group conversions configured in xml
HV-373 Test for default package in array elements in xml
HV-373 Remove todo and unnecessary Integer creation
HV-710 Don't invoke traversable for cross-parameter constraints