As a user, I want to be able to upload local image files in order to create my avatar and project space image so that I don't have to rely on the image being hosted on a website elsewhere.

Acceptance Criteria:
1. On the edit profile page, users are able to "upload" profile image.
2. The field title is changed from "avatar" to "profile" (e.g. rather than "Avatar URL", it should read "profile image URL")
3. On the "edit project space page" users are able to upload an image for logo and an image for banner.