Created new form to handle volunteer sign-ups
Added Volunteer tab.
Added Volunteer tab.
Added URL mapping for Volunteers page.
Created page to handle volunteer tab on normal navbar
Merge origin/master
backend to handle Volunteer Sign Up submissions.
Confirmation of Volunteer Sign-Up
Created a Page for Volunteers to Sign-Up, as per the requirements of US:16885
Added a function to insert Volunteer data into table, as per the requirements of US:16885