** Added field meta classes for ChecklistField
** Added support for checklists into FieldTranslator
** Implemented field element handler for checklists
** Added entities for checklist fields into material plugin
** Added controller for checklist field into material plugin
** Added field processor for checklist field into material plugin
** Fixed method name in QueryChecklistFieldOptionDAO
** Removed checklist field rendering from WorkspaceSelectFieldHandler
** Added entities for saving checklist field answers into workspace
material plugin
** Removed unused parameter from
WorkspaceMaterialChecklistFieldAnswerDAO create method
** Added listQueryChecklistFieldOptionsByField into
QueryChecklistFieldController
** Added methods for create, retrieve and delete checklist answers into
WorkspaceMaterialFieldAnswerController
** Added findByFieldAnswerAndOption and delete methods into
WorkspaceMaterialChecklistFieldAnswerOptionDAO
** Changed WorkspaceFieldHandler to use string array instead of plain
string for request values so multivalued fields could be saved by the
same persist method
** Added field handler for checklist fields into workspace plugin