Resolve "Approval appears to still be required after merge"

What does this MR do?

Allows MR widget approval component to update in realtime.

Are there points in the code the reviewer needs to double check?

Why was this MR needed?

Screenshots (if relevant)

2017-06-18_02.35.16

Does this MR meet the acceptance criteria?

What are the relevant issue numbers?

Closes #2600

Edited by Luke "Jared" Bennett