"No Connection" case handling implemented.
Icons for buttons added.
Memory access synchronization adjusted.
1. Dependecies refactored: Provider & Repository moved to AppDelegate; 2. Memory access synchronization added.

-- Dependecies refactored: Provider & Repository moved to AppDelegate;
-- Memory access synchronization added.
1. AppDelegate fixed; 2. Data for Filter pickers updated.

-- AppDelegate fixed;
-- Data for Filter pickers updated.