add new driver CFontzPacket for CrystalFontz CFA631, CFA633 & CFA635;

add new connection type 'i2c' for for the hd44780 contributed by
Matthias Goebl <matthias.goebl@goebl.net>;
harmonize spelling of driver names in configure script and LCDd.conf

server/drivers/hd44780-i2c.h

@@ -0,0 +1,9 @@
+#ifndef HD_I2C_H
+#define HD_I2C_H
+
+#include "lcd.h"					  /* for Driver */
+
+// initialise this particular driver
+int hd_init_i2c (Driver *drvthis);
+
+#endif