Initial SAV MkI (RepRap CloneWars board) integration.

Included support for BT dongle on AT90USB boards.
Added LCD Shift Register LCD control
Included support for RepRap Clone Wars project board (SAV MKI).

Marlin/pins.h

@@ -1541,6 +1541,92 @@
 
 #endif  // MOTHERBOARD == 82 (Brainwave)
 
+//
+// SAV Mk-I
+// -----------------------------------------------------------------------------------
+/****************************************************************************************
+* SAV MkI pin assignments (AT90USB1286)
+* Requires the Teensyduino software with Teensy++ 2.0 selected in Arduino IDE!
+  http://www.pjrc.com/teensy/teensyduino.html
+   RepRap Clone Wars project board.
+****************************************************************************************/
+#if MOTHERBOARD == 83  // SAV Mk-I
+#define KNOWN_BOARD 1
+#define AT90USB 1286  // Disable MarlinSerial etc.
+
+#ifndef __AVR_AT90USB1286__
+#error Oops!  Make sure you have 'Teensy++ 2.0' selected from the 'Tools -> Boards' menu.
+#endif
+
+#define LARGE_FLASH        true
+
+
+#define X_STEP_PIN         0
+#define X_DIR_PIN          1
+#define X_ENABLE_PIN       39
+
+#define Y_STEP_PIN         2
+#define Y_DIR_PIN          3
+#define Y_ENABLE_PIN       38
+
+#define Z_STEP_PIN         4
+#define Z_DIR_PIN          5
+#define Z_ENABLE_PIN       23
+
+#define E0_STEP_PIN         6
+#define E0_DIR_PIN          7
+#define E0_ENABLE_PIN       19
+
+#define HEATER_0_PIN       21  // Extruder
+#define HEATER_1_PIN       -1
+#define HEATER_2_PIN       -1
+#define HEATER_BED_PIN     20  // Bed
+#define FAN_PIN            16  // Fan   -- from Teensyduino environment.
+                               // For the fan and Teensyduino uses a different pin mapping.
+
+  #define X_STOP_PIN         13
+  #define Y_STOP_PIN         14
+  #define Z_STOP_PIN         15
+  #define TEMP_0_PIN          7  // Extruder / Analog pin numbering
+  #define TEMP_BED_PIN        6  // Bed / Analog pin numbering
+
+#define TEMP_1_PIN         -1
+#define TEMP_2_PIN         -1
+
+#define SDPOWER            -1
+#define SDSS               20  // PB0 - 8 in marlin env.
+#define LED_PIN            -1
+#define PS_ON_PIN          -1
+#define KILL_PIN           -1
+#define ALARM_PIN          -1
+#define SDCARDDETECT       -1
+
+
+#ifndef SDSUPPORT
+   // these pins are defined in the SD library if building with SD support
+  #define SCK_PIN          9
+  #define MISO_PIN         11
+  #define MOSI_PIN         10
+#endif
+
+#define BEEPER             -1
+#define LCD_PINS_RS        -1
+#define LCD_PINS_ENABLE    -1
+#define LCD_PINS_D4        -1
+#define LCD_PINS_D5        -1
+#define LCD_PINS_D6        -1
+#define LCD_PINS_D7        -1
+#define BTN_EN1            -1
+#define BTN_EN2            -1
+#define BTN_ENC            -1
+
+// For LCD SHIFT register LCD
+#define SR_DATA_PIN         0
+#define SR_CLK_PIN          1
+
+#endif  // MOTHERBOARD == 83
+
+
 /****************************************************************************************
 * Gen3+ pin assignment
 *