added option group input type

Civi/FormProcessor/Type/AbstractType.php

Civi/FormProcessor/Type/Factory.php

Civi/FormProcessor/Type/OptionGroupType.php

ang/form_processor.ang.php

ang/form_processor/FormProcessorEditCtrl.js

...rocessor/FormProcessorEditCtrl/DefaultDataInputTable.html

ang/form_processor/FormProcessorEditCtrl/InputTable.html

ang/form_processor/config/crmFormProcessorSpecification.html

ang/form_processor/crmFormProcessorTypeConfiguration.html

ang/form_processor/crmFormProcessorTypeConfiguration.js

ang/form_processor/inputs/InputDialogCtrl.html

ang/form_processor/inputs/InputDialogCtrl.js

ang/form_processor/inputs/crmFormProcessorInputs.js