Lots of improvements

-- Add forgery for fake data generation during template creation
-- Add sitemap_generator gem to help with creating XML sitemaps
-- Add automatic sitemap generation on successful build via custom
   extension
-- Add wrapped layout for blog articles
-- Compress js and css during build
-- Add article partial
-- Add pagination partial
-- Refactor index, calendar, tag templates to use pagination and
   article partials
-- Use CDN for jquery