Added JFK International Airport

Added airport.
No fixes
KJFK Approach fixes Runways 13R, 4L, 4R
KJFK Finished approach fixes

Added KJFK last approach fixes.
KJFK Playable
Updated wind angle and speed to dec 15 16:00
Merge pull request #32 from psycho202/kjfk

Adding John F Kennedy International Airport (KJFK)