Build 210

[tim arnot]

* Fixed Browse P3D5 Location button had wrong command binding
* Fixed typo in DataBuildRubric text
* Fixed AddonAirport lists were not being generated
* New flight plan draw style, with active leg highlight (when connected)

https://www.dropbox.com/s/a8hdezl1eyn0r4q/Plan-G%20v4%20Alpha%20Build%20210.zip?dl=0

Please report particularly any issues you have with the new flight plan line, including whether the line fails to change the highlight when you pass a waypoint.