Add a "not sure' option for voting members to the application process

[Aiyesha]

What type of user is this for? (applicant/member/voting member/admin)

Voting Member

Description

Add a "not sure" option. Right now we have "yes" and "no" and we can't tell if someone is intentionally skipping voting on a particular application.

[compwron]

I will try to do this real quick, let's see how I do...