Changed read timestamps timezones to UTC.

Fix QListDB::getObjectMetadatas not returning metadata when a single
object was requested.
Show size in GiB for backups.

src/qlistdb.cpp

@@ -383,12 +383,18 @@ bool QListDB::deleteEntry(int ohfi, int root_ohfi)
 int QListDB::getObjectMetadatas(int parent_ohfi, metadata_t **metadata, int index, int max_number)
 {
     QMutexLocker locker(&mutex);
+
     CMARootObject *parent = static_cast<CMARootObject *>(ohfiToObject(parent_ohfi));
 
     if(parent == NULL) {
         return 0;
     }
 
+    if(parent->metadata.dataType & File) {
+        *metadata = &parent->metadata;
+        return 1;
+    }
+
     int type = parent->metadata.type;
 
     if(parent->metadata.ohfi < OHFI_OFFSET && parent->filters) { // if we have filters