Header fixes:

* Do not include system headers in shared files (stdlib.h).
* Don't include lcd.h only once in each driver.
* Remove some unnecessary headers from driver (e.g. syslog.h)
* Include <poll.h> instead of <sys/poll.h>
* Spelling fixes.

server/drivers/lis.c

@@ -52,21 +52,17 @@
  * 	2007/11/01	Change Linux-centric clone() to POSIX
  * 			threads for portability.
  */
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <unistd.h>
-#include <termios.h>
-#include <fcntl.h>
 #include <string.h>
 #include <errno.h>
-#include <syslog.h>
 #include <pthread.h>
 
 #include <usb.h>
 #include <ftdi.h>
 
-#include <sys/syscall.h>
-
 #ifdef HAVE_CONFIG_H
 # include "config.h"
 #endif