Actual docs for order_by in ESQuerySet
make SimpleSortableResourceMixin use field attributes
add ordering to case resource
change wording in form display condition message

to match wording change in case config UI
Merge pull request #1134 from dimagi/wording

change wording in form display condition message
don't show parent properties for case types that aren't actual parents
update submodule refs
add domain to API objects
Merge pull request #1137 from kennknowles/domain-in-api

add domain to API objects
Merge pull request #1133 from kennknowles/better-api-sorting

Better api sorting
Merge pull request #1135 from dimagi/parent

don't show parent properties for case types that aren't actual parents
fix case api test
Merge pull request #1138 from kennknowles/domain-in-api

fix case api test
Merge branch 'master' of github.com:/dimagi/commcare-hq into settings-users-split