fixed: there were mktime() used on some dirs Items

so sometimes the time of the dir was changed

now for converting tm into time_t use:
time_t Time(const tm & par);
time_t Time(const tm * par);
tm     Time(time_t par);
from core/misc.h

now winix internally use GMT time
only when printing it is converted to local user time
temporarily all users use the same local time (config: time_zone_offset)
(only logs are genereted with local system time)

added to system:
time_t LocalTime(time_t gmt_time);
tm     LocalTime(const tm * ptm);
tm     LocalTime(const tm & ptm);
they convert GMT time to local user time




git-svn-id: svn://ttmath.org/publicrep/winix/trunk@666 e52654a7-88a9-db11-a3e9-0013d4bc506e

core/system.h

@@ -20,7 +20,7 @@
 #include "groups.h"
 #include "rebus.h"
 #include "loadavg.h"
-
+#include <ctime>
 
 
 
@@ -86,6 +86,13 @@ public:
 	Error AddFile(Item & item, bool notify = true);
 	Error EditFile(Item & item, bool with_url = true, bool notify = true);
 
+	// converting GMT time to local time (different for each user)
+	time_t LocalTime(time_t gmt_time);
+	tm     LocalTime(const tm * ptm);
+	tm     LocalTime(const tm & ptm);
+
+
+
 private:
 	Request   * request;
 	Config    * config;