- menue.cpp: don't integrate hidden plugins
gui/movieplayer.cpp: do not quit or jump to unmarked item, in case ie empty dir added
driver/file.h: add isDir()
gui/filebrowser.cpp: change OK button behavior:
always return marked list, if there are marked files;
always change dir, if there are no marked files;
to recursive add dir, use mark
- plugins: don't show integrated plugins in usermenu
Merge remote-tracking branch 'cool-cst-next/cst-next'

Conflicts:
	src/gui/filebrowser.cpp
	src/gui/movieplayer.cpp