rename and restructure phonelog models

- improve speed of pillow
- improve idempotent behavior of pillow
- fix bug where entries of the same type with the same second-rounded
  date were competing (only one would get saved)
Merge branch 'fields-to-filters' into autostaging
Merge branch 'attrib-fixture+fields-to-filters' into autostaging
Merge branch 'daily_form' into autostaging
Merge branch 'attrib-fixture' into autostaging
Merge branch 'vellum-includes' into autostaging
Merge branch 'cloudcare-resume' into autostaging
Merge branch 'multimedia-case-properties' into autostaging
Merge branch 'settings-redo+feature-preview' into autostaging
Merge branch 'phonelog-pillow-overwrite' into autostaging
update submodule refs