Partly revert previous commit. The doxygen style escape sequences look

nice on the web, but make the source comments really hard to read.
Therefore copy the command descriptions preformatted to html.

server/commands/server_commands.c

@@ -36,7 +36,9 @@
 /**
  * Sets the state of the output port (such as on MtxOrb LCDs)
  *
- * Usage: output \<on|off|int\>
+ *\verbatim
+ * Usage: output <on|off|int>
+ *\endverbatim
  */
 int
 output_func(Client *c, int argc, char **argv)
@@ -98,7 +100,9 @@ output_func(Client *c, int argc, char **argv)
  * This function is currently ignored as making the server sleep actually
  * stalls it and disrupts other clients.
  *
- * Usage: sleep \<seconds\>
+ *\verbatim
+ * Usage: sleep <seconds>
+ *\endverbatim
  */
 int
 sleep_func(Client *c, int argc, char **argv)