Changed the default connection factory to handle null username and passwords.
EJPLUGIN-158: core changes to support parameter with default values
EJPLUGIN-178: added Group Support For Blocks
EJPLUGIN-178: added Group Support For Blocks
Modified the initialisation of the PojoHelpers within the Block Controllers. It is now initialised by the Form Controller after all block controllers have been initialised
make sure to call Initialising Pojo Helpers in all blocks