bitstarter init content for at glance and features sections
bitstarter page: added carousel stub for at-a-glance section
coinbase: show current balance, backers count, days left. Bitstarter: roadmap timeline stub
bitstarter: roadmap section init content
bitstarter: enable roadmap link in dashboard
bistarter page: roadmap add style for active milestone
bitstarter page: clean some trash, change section height to min-height