Fix \qmlmethods for RouteQuery disappearing, add desc + example
Fix \qmlmethods for RouteQuery disappearing, add desc + example

Change-Id: I44d7cedab82d14d313a8e26116094d5dd9552388
Reviewed-by: Natalia Shubina <2041007149eb9d1657a42550d07ee3dad25a2f4d@nokia.com>

kobolabs/qtlocation,kobolabs/qtlocation,amccarthy/qtlocation,kobolabs/qtlocation,amccarthy/qtlocation,amccarthy/qtlocation