Correct RouteProperties dialog deprature time shortcut key ">" behaviour. (FS#1262)
Correct AIS SART logic to not alert on simple SART test. (FS#1245)
Correct Mac MessageBox Z-order as child of dialog.
Merge branch 'master' of https://github.com/OpenCPN/OpenCPN into mainline

Conflicts:
	src/AIS_Decoder.cpp
	src/chart1.cpp
	src/routeprop.cpp