Added AbstractBookingProvider
Added VatbookBookingProvider
Added AtcBookingTableModel
Added AtcBooking
Removed modules/*
Move NotamProviders to vatsimdata/
Spatial updated to v2.1.5
Spatial updated to v2.1.5
Merge branch 'develop' of github.com:Vatsinator/Vatsinator into develop
Merge branch 'develop' into ports/macos