New task action buttons in waypoint details, for more clear actions:
Insert and replace will tell which waypoint are affecting .
New Append before and after finish.
	modified:   ../../Data/Dialogs/dlgWayPointDetails.xml
	modified:   ../../Data/Dialogs/dlgWayPointDetails_L.xml
	modified:   ../../Data/Language/ENG_MSG.TXT
	modified:   ../../Header/Task.h
	modified:   Task/InsertWaypoint.cpp
	modified:   Task/ReplaceWaypoint.cpp
	modified:   dlgWayPointDetails.cpp
Fix buffer overrun in InsertWaypoint
	modified:   Task/InsertWaypoint.cpp
Fix buffer overrun in RemoveTaskPoint
	modified:   Task/RemoveTaskPoint.cpp