Updated licenses to all files

Updated licenses to all files
	modified:   aboutdialog.cpp
	modified:   aboutdialog.h
	modified:   accountdialog.cpp
	modified:   accountdialog.h
	modified:   browsemainwindow.cpp
	modified:   browsemainwindow.h
	modified:   configdialog.cpp
	modified:   configdialog.h
	modified:   main.cpp
	modified:   newaccountdialog.cpp
	modified:   newaccountdialog.h
	modified:   playermainwindow.cpp
	modified:   playermainwindow.h
	modified:   playlistmainwindow.cpp
	modified:   playlistmainwindow.h
	modified:   vlcbrowseelement.cpp
	modified:   vlcbrowseelement.h
	modified:   vlcplaylistelementsimple.cpp
	modified:   vlcplaylistelementsimple.h