added gitignore file
feature(OSROfficesMapViewController)added mapView
feature offices parsed in mainThread

create(PSROffice)office model
create(PSROfficeParser)to parse data
feature(PSROfficesViewController)parse data in main thread
feature(PSROfficesMapViewController)Offices parsed in background
feature(PSRViewController)presents offices on map
fix(PSRPochtaManager) search around Moscow
fix(PSRPochtaManager) search around Moscow
adde hud to show some calculation
feature(PSROfficesViewController)shows all offices when done