Add type info to member propagation jobs

Explicitly set member type

Remove STI for members
Expect member key
Test membership filtering by Team and CloudUser
Make remove_members work the same as add_members, default members to user members
Make role_for work with teams
Handle type being nil in the datastore for user members
Add test to distinguish type in member operations

Typo
Move pending op
Propagate team changes, expand team members into domain and apps
Add team propagation tests
Initial work to propagate grants

Use mongoid methods

Stop tracking grants
Add test for has_membership_changes? when changing grants without changing calculated roles

Make pending op args more backwards compatible

Update pending op args