Fixed comments and code style of UAVCAN node

src/modules/uavcan/uavcan_clock.cpp

@@ -1,7 +1,6 @@
 /****************************************************************************
  *
- *   Copyright (C) 2014 PX4 Development Team. All rights reserved.
- *   Author: Pavel Kirienko <pavel.kirienko@gmail.com>
+ *   Copyright (c) 2014 PX4 Development Team. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -35,6 +34,14 @@
 #include <uavcan_stm32/uavcan_stm32.hpp>
 #include <drivers/drv_hrt.h>
 
+/**
+ * @file uavcan_clock.cpp
+ *
+ * Implements a clock for the CAN node.
+ *
+ * @author Pavel Kirienko <pavel.kirienko@gmail.com>
+ */
+
 namespace uavcan_stm32
 {
 namespace clock
@@ -62,7 +69,7 @@ uavcan::uint64_t getUtcUSecFromCanInterrupt()
 
 } // namespace clock
 
-SystemClock& SystemClock::instance()
+SystemClock &SystemClock::instance()
 {
 	static SystemClock inst;
 	return inst;