Bulkletter / mail / document template fixes

entity/DocumentTemplate_entity/DocumentTemplate_entity.aod

...mentTemplate_entity/entityfields/bindata/onValueChange.js

...mplate_entity/entityfields/classification/stateProcess.js

...mplate_entity/entityfields/classification/valueProcess.js

...emplate_entity/entityfields/content/contentTypeProcess.js

...mplate_entity/entityfields/content/displayValueProcess.js

...umentTemplate_entity/entityfields/content/stateProcess.js

...umentTemplate_entity/entityfields/preview/stateProcess.js

...umentTemplate_entity/entityfields/preview/valueProcess.js

entity/DocumentTemplate_entity/onValidation.js

entity/SerialLetter_entity/SerialLetter_entity.aod

entity/SerialLetter_entity/onValidation.js

language/_____LANGUAGE_EXTRA/_____LANGUAGE_EXTRA.aod

language/_____LANGUAGE_de/_____LANGUAGE_de.aod

language/_____LANGUAGE_en/_____LANGUAGE_en.aod

process/DocumentTemplate_lib/process.js

process/buildSerialLetter_serverProcess/process.js