Add arduino build and install on firmware

[rbonghi]

Check build package teensy or change to arduino nano

• Install teensyduino ARM

Install libraries

libraries
https://github.com/adafruit/Adafruit_NeoPixel
Install arduino-core and clone Adafruit_NeoPixel

Example from
https://github.com/leggedrobotics/darknet_ros/tree/master/darknet_ros

# Download yolov2-tiny.weights
set(PATH "${CMAKE_CURRENT_SOURCE_DIR}/yolo_network_config/weights")
set(FILE "${PATH}/yolov2-tiny.weights")
message(STATUS "Checking and downloading yolov2-tiny.weights if needed ...")
if (NOT EXISTS "${FILE}")
  message(STATUS "... file does not exist. Downloading now ...")
  execute_process(COMMAND wget http://pjreddie.com/media/files/yolov2-tiny.weights -P ${PATH})
endif()

Teensy 3.2 (or MK20DX256)
https://www.pjrc.com/teensy/td_download.html
https://www.pjrc.com/teensy/loader_cli.html
ros-drivers/rosserial#90

arduino-cmake
https://github.com/queezythegreat/arduino-cmake
http://wiki.ros.org/rosserial_arduino

Example setup arduino:
https://github.com/IntelligentRoboticsLabs/CSUROS/tree/master/csuro_arduino

[rbonghi]

Download from github

https://gist.github.com/steinwaywhw/a4cd19cda655b8249d908261a62687f8

curl --silent "https://api.github.com/repos/adafruit/Adafruit_NeoPixel/releases/latest" | # Get latest release from GitHub api
    grep '"tag_name":' |                                                 # Get tag line
    sed -E 's/.*"([^"]+)".*/\1/' |
    xargs -I {} curl -o latest.zip -sOL "https://github.com/adafruit/Adafruit_NeoPixel/archive/"{}'.zip'

[rbonghi]

Fix these warnings:

Policy CMP0038 is not set: Targets may not link directly to themselves.
Run "cmake --help-policy CMP0038" for policy details. Use the cmake_policy
command to set the policy and suppress this warning.

This warning is for project developers. Use -Wno-dev to suppress it.

[rbonghi]

Open issue on ros-drivers/rosserial#487