PGNs 129283, 129284, 129285: Navigation stuff

[tkurki]

Add support for

129283: Cross Track Error
{"timestamp":"2015-01-15-16:25:14.978","prio":"3","src":"4","dst":"255","pgn":"129283","description":"Cross Track Error","fields":{"SID":"250","Navigation Terminated":"No"}}

129284: Navigation Data
{"timestamp":"2015-01-15-16:25:15.186","prio":"3","src":"4","dst":"255","pgn":"129284","description":"Navigation Data","fields":{"SID":"250"}}

129285: Navigation - Route/WP Information
{"timestamp":"2015-01-15-16:25:12.644","prio":"7","src":"4","dst":"255","pgn":"129285","description":"Navigation - Route/WP Information","fields":{"nItems":"2","Navigation direction in route":"1","Supplementary Route/WP data available":"0","Reserved":"0","Reserved":"0","WP ID":"0","WP ID 2":"1"}}

[lfrancois]

I was going through the PGNs available on my boat and not recognized by n2k-analyzer and I have one here, not vital for me. So very low priority.

129285 Navigation - Route/WP Information

1969-12-31-16:00:01,481 0   4 255 129285 Navigation - Route/WP Information:  Start RPS# = Unknown; nItems = 2; Database ID = Unknown; Route ID = Unknown; Navigation direction in route = Unknown; Supplementary Route/WP data available = 1

{"timestamp":"1969-12-31-16:00:01,481","prio":0,"src":4,"dst":255,"pgn":129285,"description":"Navigation - Route/WP Information","fields":{"nItems":2,"Supplementary Route/WP data available":1,"list":[{}]}}```

[sbender9]

These are all done.