Story 55108388: spinners on admin dash widgets
publishing owner information into json
Story 52681879: Made owner properly editable across all business objects, with lookup by email.
Merge pull request #201 from reciprocity/feature/admin-spinners

Spinners on admin dashboard (#55108388)
Merge pull request #202 from reciprocity/feature/owner-in-forms

Owner supported in forms with email lookup (#52681879)
Merge remote-tracking branch 'origin/develop' into feature/canify_people_references

Conflicts:
	src/ggrc/assets/javascripts/controls/control.js
	src/ggrc/assets/javascripts/pbc/person.js
Add missing attributes and fix typo