old_contents: from models import RSSFeed, GithubRepo
  from renderers.rss import rss_renderer
  from renderers.github import gh_renderer
  
  class Endpoint(object):
      def __init__(self, name, endpoint, renderer, db_table, relevance_filter = None):
          self.name = name
          self.endpoint = endpoint
          self.blueprint = renderer
          self.db_table = db_table
          self.relevance_filter = relevance_filter
  
  endpoints = [
      Endpoint('RSS', '/rss/%i', rss_renderer, RSSFeed, lambda x: True),
      Endpoint('Github', '/github/%i', gh_renderer, GithubRepo, lambda x:True),
  ]
  
new_contents: from models import RSSFeed, GithubRepo, Status, Tweet
  from renderers.rss import rss_renderer
  from renderers.github import gh_renderer
  from renderers.status import status_renderer
  from renderers.tweet import tweet_renderer
  
  
  class Endpoint(object):
      def __init__(self, name, endpoint, renderer, db_table, relevance_filter = None):
          self.name = name
          self.endpoint = endpoint
          self.blueprint = renderer
          self.db_table = db_table
          self.relevance_filter = relevance_filter
  
  endpoints = [
      Endpoint('RSS', '/rss/%i', rss_renderer, RSSFeed, lambda x: True),
      Endpoint('Github', '/github/%i', gh_renderer, GithubRepo, lambda x:True),
      Endpoint('Facebook', '/facebook', status_renderer, Status, lambda x:True),
      Endpoint('Twitter', '/tweets', tweet_renderer, Tweet, lambda x:True),
  ]
  
subject: Add endpoints for Facebook and Twitter