add require-handlebars-plugin
wrap template helpers with umd
register helper right in their declaration
update moment
first attempt at using new structure
fix image
merged from master
global variable to hold page-specific config

also added `json` handlebars helper to convert object into JSON string.
close #16.
load single post using slug and page context
remove content and images from articles
pagination
add loading state
use lodash
api url in config
don't do requirejs in dev mode