part 2 of the exercise, adding nodeJS backend
Add dummy ads and ads routes get all ads or get ads by station id (optinal offset and limit)
Add model and route for stations
Ajax get stations and render
refactor shouldRender for the new Ad object structure
Add bower, changed ajax ads call to support offset and limit, add shouldRender check to backend
Handle offset behained ads count(offset%ads.length)
add bower dependencies json. more ads templates