touch up a few things in report specs
add basic way to generate a data source config for cases from an app + test
add get_apps_in_domain utility
refactor to make single case type interface public
add UI for creating data sources from app configs
clean up and flesh out test a bit more
add datatypes for default case properties
add tests for default case properties
Merge pull request #4780 from dimagi/dynamic-data-source-configs

Dynamic data source configs