Fix weekstamp calculation and MBPusher timestamping.

DCDBLib/src/sensordatastore.cpp

@@ -173,7 +173,7 @@ void SensorDataStoreImpl::insert(SensorId* sid, uint64_t ts, uint64_t value)
 #endif
 
   /* Calculate and insert week number */
-  uint16_t week = ts / 604800000000;
+  uint16_t week = ts / 604800000000000;
   sid->dsid.rsvd = week;
 
   /* Insert into Cassandra */

DCDBLib/src/timestamp.cpp

@@ -103,7 +103,7 @@ uint64_t DCDBTimeStamp::getRaw(void)
  */
 uint16_t DCDBTimeStamp::getWeekstamp(void)
 {
-  uint16_t week = raw / 604800000000;
+  uint16_t week = raw / 604800000000000;
   return week;
 }