Doxygen-ize file headers

server/render.h

@@ -1,12 +1,12 @@
-/*
- * render.h
- * This file is part of LCDd, the lcdproc server.
+/** \file server/render.h
+ */
+
+/* This file is part of LCDd, the lcdproc server.
  *
- * This file is released under the GNU General Public License. Refer to the
- * COPYING file distributed with this package.
+ * This file is released under the GNU General Public License.
+ * Refer to the COPYING file distributed with this package.
  *
  * Copyright (c) 1999, William Ferrell, Scott Scriven
- *
  */
 
 #ifndef RENDER_H