Added activerecord-session_store gem, created migration, ran it and tested.  Session wont show up until you log in.
Added current to bill and a current method to the bill class so that we can do Bill.current to get the current bills.  Updated get_current.rb to use current.
Merge pull request #3 from yrral86/add_session_store

Added activerecord-session_store gem, created migration, ran it and test...
merge current_bils
merge in master
add new fields to registration form
use Bill.current to get upcoming bills