add card del button, restyle card rows
update ember data, remove old ember files
add card to Ember card set
handle set not found on server side
move set_name partial from /card_sets to /card_set
add ids to card_sets template <table> elem, formatting, Select msg till can figure out default to first set
edit cards thru click on card in card_set list
on creation of new set, transition to that set