activity: rename CREATOR to RESPONSIBLE

...s/basic/2019.2/activity_rename_Creator_to_Responsible.xml

.liquibase/Data_alias/basic/2019.2/changelog.xml

aliasDefinition/Data_alias/Data_alias.aod

entity/Activity_entity/Activity_entity.aod

...ty_entity/entityfields/responsible/displayValueProcess.js

.../Activity_entity/entityfields/responsible/valueProcess.js

...y/Activity_entity/recordcontainers/db/conditionProcess.js

...ecordfieldmappings/responsible.displayvalue/expression.js

language/_____LANGUAGE_EXTRA/_____LANGUAGE_EXTRA.aod

language/_____LANGUAGE_de/_____LANGUAGE_de.aod

language/_____LANGUAGE_en/_____LANGUAGE_en.aod

neonView/ActivityEdit_view/ActivityEdit_view.aod

neonView/ActivityPreview_view/ActivityPreview_view.aod