renamed from .person_on_list to .model_on_list
implemented .model_on_list
added moment.js

see https://github.com/moment/moment
added humanize_time handlebars helper (accepts options)

usage:
`{{humanize_time timeAsString}}`
`{{humanize_time timeAsString format=“short”}}` (default)
`{{humanize_time timeAsString format=“long”}}`
added moment-es translation
formatting time