Parameters: fix for #559, crash when focus lost w/ unparsable (e.g. blank) numeric value in edit box - return 0
Merge pull request #613 from bob01/parameters_fix559

Parameters: fix for #559, crash when focus lost w/ unparsable value
Maps: Fixing issue 6111, by making the mission markers static in the flight map screen
Merge pull request #614 from arthurbenemann/issue611_draggableWaypoints

Maps: Fixing issue #611
Version: Releasing version 2.1.1
Merge branch 'master' into release