Add a Requirement ID field into the Vote Model.

Reported-by: lhnguyenduc and bbiletch
Signed-off by: Long Nguyen Duc Hoang <lhnguyenduc@wpi.edu> and Barry Biletch <bbiletch@wpi.edu>
Add an listeners for card.

Reported-by: lhnguyenduc
Signed-off by: Long Nguyen Duc <lhnguyenduc@wpi.edu>
Merge branch 'sbl-dev' of git://github.com/struct-by-lightning/wpi-suite into vote
Adding Controllers and Models for Planning Poker Vote.

Reported-by: lhnguyenduc and bbiletch
Signed-off by: Long Nguyen Duc Hong <lhnguyenduc@wpi.edu> and Barry Biletch >bbletch@wpi.edu>
Merge branch 'sbl-dev' of git://github.com/struct-by-lightning/wpi-suite into vote
Merge pull request #168 from hlong290494/vote

Added Controllers and Models for Planning Poker Vote