ItemsListing directive is now using ItemsService method for quering api
	modified:   css/bootstrap.css
	modified:   css/mystyle1.css
	modified:   directives/ItemsListing.js
	modified:   languages/en-us.json
	modified:   languages/sr-rs.json
	modified:   less/mystyle1.less
	modified:   public/app.js
	modified:   services/ExceptionsService.js
	modified:   templates/main.html
Added directive for animated scrolling to the part of the same page.
	modified:   Gruntfile.js
	new file:   config/location.js
	modified:   controllers/MainController.js
	modified:   directives/ItemsListing.js
	new file:   directives/ScrollTo.js
	modified:   manifest.webapp
	modified:   public/app.js
	modified:   templates/main.html