using bootstrap's accordion for the subscriptions collapsable list
mild updated styling; selected feed now bolded
using feedparse module v0.16 which uses a readable stream; saving articles to DB, then sending as response for ajax call from the front-end
styling for itemsList updated
moving client secrets to a settings file
renamed settings.js to config_example.js and load it as the global variable CONFIG in app.js; there is no client_id nor client_secret in config_example.