Updated copyright notice to 2013
Merge branch 'v6.4.x'

Conflicts:
	src/DateTime.hpp
	src/Dialogs/TaskManager/Internal.hpp
	src/Dialogs/TaskManager/TaskEditPanel.cpp
	src/Dialogs/TaskManager/TaskEditPanel.hpp
	src/Dialogs/TaskManager/TaskListPanel.hpp
	src/Dialogs/TaskManager/TaskManagerDialog.cpp
	src/Dialogs/dlgAirspaceDetails.cpp
	src/Dialogs/dlgAlternatesList.cpp
	src/Dialogs/dlgConfigFonts.cpp
	src/Dialogs/dlgNOAAList.cpp
	src/Dialogs/dlgSwitches.cpp
	src/Dialogs/dlgTaskOptionalStarts.cpp
	src/Dialogs/dlgTaskPointType.cpp
	src/Net/Connection.hpp
	src/Net/WinINet/Connection.cpp
	src/Screen/SDL/Event.hpp
	src/Thread/Flag.hpp
	src/Widgets/TrafficWidget.cpp
	test/src/test_olc.cpp
Updated copyright notice to 2013