add thread for determining free hdd (recording dir) space, enable hdd usage icons on vfd (untested)

Conflicts:
	data/locale/deutsch.locale
	data/locale/english.locale
	src/driver/simple_display.cpp
	src/gui/hdd_menu.cpp
	src/gui/infoviewer_bb.cpp
	src/gui/infoviewer_bb.h
	src/gui/moviebrowser.cpp
	src/gui/record_setup.cpp
	src/neutrino.cpp
	src/system/ytcache.h


Origin commit data
------------------
Commit: 7c15db185f
Author: martii <m4rtii@gmx.de>
Date: 2013-11-27 (Wed, 27 Nov 2013)

src/gui/record_setup.cpp

@@ -54,6 +54,7 @@
 
 #include <system/debug.h>
 #include <system/helpers.h>
+#include <system/hddstat.h>
 
 CRecordSetup::CRecordSetup()
 {
@@ -99,6 +100,7 @@ int CRecordSetup::exec(CMenuTarget* parent, const std::string &actionKey)
 				printf("New timeshift dir: %s\n", timeshiftDir.c_str());
 				CRecordManager::getInstance()->SetTimeshiftDirectory(timeshiftDir);
 			}
+			cHddStat::getInstance()->setDir(g_settings.network_nfs_recordingdir);
 		}
 		return res;
 	}