added signup
simplified login
tables for groups, comments, votes
seed user, group, and snack tables
dummy home view
hover state and click for arrows
display snacks using template
only up or down arrow can be selected
vote api and ui update
keep track of vote changes
filter list when typing in new snack box
retain state of user votes
move to angularjs
add new snacks
order by sum_votes
separate votecontroller
update snack row after voting
filter by groups
auto select first group
login placeholder