Set post status when querying dpa_get_progress()
Update dpa_delete_achievement_progress() to use dpa_get_progress()
Codestyle tidyup
Only show achievement user profile fields if you have the edit_user cap.
When unawarding an achievement, fix handling data as an array, not an integer.
First pass of per-user achievement management on user edit screen.

Removal is implemented, assignment isn't.