initial issue1
add committees model
start new app 'committees'
settings miss, commmittee catagory null=True
appearence column change, legislator fk id to uid in each app
add sittings table, ly appearence ok
ly vote halfway backup
add unique key(sitting-vote_seq) in Vote
index notvote&conscience vote OK
hackthon 6 backup
bills and biller_detail done
change to new db schema
fix conflict