Add Arduino additions for Arduino 1.5.x.

ArduinoAddons/Arduino_1.0.x/hardware/Sanguino/boards.txt

...0.x/hardware/Sanguino/bootloaders/atmega/ATmegaBOOT_168.c

...anguino/bootloaders/atmega/ATmegaBOOT_168_atmega1284p.hex

...uino/bootloaders/atmega/ATmegaBOOT_168_atmega1284p_8m.hex

...Sanguino/bootloaders/atmega/ATmegaBOOT_168_atmega644p.hex

...duino_1.0.x/hardware/Sanguino/bootloaders/atmega/Makefile

...0.x/hardware/Sanguino/bootloaders/atmega644p/ATmegaBOOT.c

...hardware/Sanguino/bootloaders/atmega644p/ATmegaBOOT.c.tst

...dware/Sanguino/bootloaders/atmega644p/ATmegaBOOT_644P.elf

...dware/Sanguino/bootloaders/atmega644p/ATmegaBOOT_644P.hex

...o_1.0.x/hardware/Sanguino/bootloaders/atmega644p/Makefile

...1.0.x/hardware/Sanguino/bootloaders/atmega644p/README.txt

...s/Arduino_1.0.x/hardware/Sanguino/cores/arduino/Arduino.h

...ons/Arduino_1.0.x/hardware/Sanguino/cores/arduino/CDC.cpp

...ns/Arduino_1.0.x/hardware/Sanguino/cores/arduino/Client.h

...ons/Arduino_1.0.x/hardware/Sanguino/cores/arduino/HID.cpp

..._1.0.x/hardware/Sanguino/cores/arduino/HardwareSerial.cpp

...no_1.0.x/hardware/Sanguino/cores/arduino/HardwareSerial.h

...duino_1.0.x/hardware/Sanguino/cores/arduino/IPAddress.cpp

...Arduino_1.0.x/hardware/Sanguino/cores/arduino/IPAddress.h