SC# S-005 improved poi_row design
SC# S-005 filtering out POIs without name
SC# S-005 cleaned code, removed unnecessary debug info, added PoiStorage to encapsulate PoiList and operation on it, added Pois sorting based on distance to it.
RF# S-005 interestMap encapsulated in InterestStorage
RF# S-005 refactored location distance calculation
SC# S-005 added direction arrows, preferably to change - version only for one screen density
SC# S-005 added to PoiAtDistance getter for currentLocation
RF# S-005 added WithDirection interface, CardinalDirection enum and PoiAtDistanceWithDirection class that decorates PoiAtDistance
SC# S-005 RecommenderFragment uses generic ArrayAdapter
RF# S-005 PoiStorage stores list of PoiAtDistanceWithDirection, PoiArrayAdapter shows direction arrow and text