refactor of filters

CRM/Dataprocessor/BAO/DataProcessor.php

CRM/Dataprocessor/DAO/DataProcessorFilter.php

CRM/Dataprocessor/Form/Filter.php

CRM/Dataprocessor/Form/FilterValue.php

CRM/Dataprocessor/Form/Output/AbstractUIOutputForm.php

...ataProcessor/FilterHandler/AbstractFieldFilterHandler.php

Civi/DataProcessor/FilterHandler/AbstractFilterHandler.php

Civi/DataProcessor/FilterHandler/CaseRoleFilter.php

Civi/DataProcessor/FilterHandler/ContactFilter.php

Civi/DataProcessor/FilterHandler/ContactInGroupFilter.php

Civi/DataProcessor/FilterHandler/InApiFilter.php

Civi/DataProcessor/FilterHandler/SimpleSqlFilter.php

Civi/DataProcessor/Output/Api.php

api/v3/DataProcessorFilter.php

info.xml

sql/auto_install.sql

...es/CRM/Dataprocessor/Form/DataProcessorBlocks/Filters.tpl

templates/CRM/Dataprocessor/Form/Filter.tpl

templates/CRM/Dataprocessor/Form/FilterValue.tpl

xml/Menu/dataprocessor.xml