update adverts routing
changed names of variables in the js/controllers/adverts.js and js/controllers/statistics.js; added directive for advert url while editing, but it don't works now so temporarily disabled.
directive for advert protocol editing, still don't work
fix advert-url directive
added universal advert's saving function, one for create and update advert
Merge pull request #51 from alexzaporozhets/adverts-routing

Adverts routing