add the heap command to the shell command list + coding conventions.

sys/shell/commands/shell_commands.c

@@ -3,9 +3,9 @@
  *
  * Copyright (C) 2013  INRIA.
  *
- * This file subject to the terms and conditions of the GNU Lesser General
- * Public License. See the file LICENSE in the top level directory for more
- * details.
+ * This source code is licensed under the LGPLv2 license,
+ * See the file LICENSE for more details.
+ *
  *
  *
  * @ingroup shell_commands
@@ -14,6 +14,8 @@
  * @brief   sets up the system shell command struct
  * @author  Oliver Hahm <oliver.hahm@inria.fr>
  * @author  Zakaria Kasmi <zkasmi@inf.fu-berlin.de>
+ *
+ * @note    $Id: shell_commands.c 3855 2013-09-05 12:27:47 kasmi $
  * @}
  */
 
@@ -92,6 +94,7 @@ extern void _read_bytes(char *bytes);
 
 const shell_command_t _shell_command_list[] = {
     {"id", "Gets or sets the node's id.", _id_handler},
+    {"heap", "Shows the heap state for the LPC2387 on the command shell.", _heap_handler},
 #ifdef MODULE_PS
     {"ps", "Prints information about running threads.", _ps_handler},
 #endif