Put the rounded mean value of the votes into the final estimate box

Reported-by: hlong290494 & mamora & labatbouta
Signed-off by:
Long Nguyen Duc Hoang <lhnguyenduc@wpi.edu>
Miguel Mora <mamora@wpi.edu>
Lisa Abatbouta <labatbouta@wpi.edu>
Merge pull request #353 from hlong290494/sbl-dev

Put the rounded mean value of the votes into the final estimate box