Updated bus route 71

Updated bus route 53 (previously route 52, now only between Selfoss and Landeyjahöfn)

Updated bus route 51 (now only Selfoss -> Rvk)

Updated bus route 51 (now only Rvk -> Selfoss)

Updated bus route 84

Updated bus route 82

Added bus route 81

Added bus route 59

Added bus route 58

Updated bus route 57 (Rvk -> Ak)

Updated bus route 57 (Ak -> Rvk)

Added bus route 50

Corrected terminal stops for bus routes 11 and 17. Updated Mjódd.

Removed old bus stops

Updated bus route 89

Updated bus route 87

Updated bus route 55

Updated bus route 78

Updated bus route 56

Updated destination