ios: feed vc - implement fetch all feed items
ios: add feed core data model
ios: add news item core data model
ios: feed vc - implement prepare for segue

implemented for news vc navigation
ios: feed vc - cosmetic changes
ios: feed - send user instance to news vc
ios: news vc - update table view cell style
ios: news vc - implement fetch all news request
ios: core data - update pub date type to int64
ios: rss request - implement fetch all news
ios: re-organize project folders
ios: set segue identifier for detail vc navigation
ios: add NSString category
ios: implement news custom cell class
ios: remove detail view controller class
ios: news vc - implement news custom cell class
ios: implement web view navigation
ios: login vc - scaffold implementation

prepare for login persistance
ios: login vc - remove unused register action
ios: enable iPad compatibility