Merge remote branch 'origin/qa' into develop
Merge remote branch 'origin/qa' into develop
Bumping development to next version
Merge remote branch 'origin/release' into develop
Merge remote branch 'origin/release' into develop
Merge remote branch 'origin/release' into develop
Adding new role.all_sites column

- Used to determine whether a role should be restricted to a single site or not
- Many old references to "tier" have been replaced
Merge remote branch 'origin/release' into develop
Fixing bug in upgrade script
More changes related to the new role.all_sites column
Replacing assignment notes with participant notes
Making use of the new slot_prev_clip() javascript function
Adding new withdraw button in participant actions
Fixing bug in html (colspan=22 should be colspan=2)
Updating error codes
Adding new roles: curator and helpline
Adding 'duplicate' as possible participant condition
Adding new duplicate participant status to the queue
Merge remote branch 'origin/release' into develop
Adding 'last call result' to participant report parameters