R1:e0e6ec9117d3

Allow affiliations to carry project ownership information; transform profile
images correctly

Summary:
This is sort of doing two things at once:

- Add an "isOwner" flag to Project Affiliation to lay the groundwork for T237.
- Rename the "QuickCreate" workflow to "Create" and funnel all creation
through it.
- Reorganize the image transformation stuff and use it to correctly
crop/resize uploaded images.

Test Plan:
Created and edited projects and affailiations. Uploaded project, user, and
profile…