Change behavior - when a route is turned visible, always make all the shared waypoints visible as well and don't ask the user.
Allow export of multiple selected navobjects from the route manager at the same time
Make the real size AIS target shape ECDIS spec compliant
Correct the AIS target display size check
Add red "X" to indicate invisible waypoints in routemanagerdialog
Correct wxMessageBox to OCPNMessageBox.
Extend checking and handling of malformed ENC geometry records
Correct for Mac modal message box failure.
Update HDT watchdog on synthetic HDT events.
Correctly update position fix FixTime value sent to PlugIns
Cleanup and correct one variable from long to int.
Prevent multiple cuncurrent instances of OpenCPN unless using portable (-p) option.
Correct Windows build/runtime error.
Merge branch 'master' into refactor