Windows fixes/work-arounds
Bugfix: set life timer to 0 on instantiation and when ballistic object dies.
Merge branch 'next' of D:\Git_New\flightgear into next
Merge branch 'next' of D:\Git_New\flightgear into next
Merge branch 'next' of D:\Git_New\flightgear into next
Merge branch 'next' of D:\Git_New\flightgear into next
Merge branch 'next' of D:\Git_New\flightgear into next
Merge branch 'next' of D:\Git_New\flightgear into next