Initial commit

 bash script to compile,upload and execute c code to embedded linux board
Add sysfs functions
Add export/unexport. Correct int to char[]
Add example for GPIO
Add delay function
Add compatibility with Arduino-Makefile

Can use it with Arduino makefile to upload code
Temp commit
temp  comm
Merge remote-tracking branch 'send_exec/master'
add send_exec.sh to userspace-arduino git repo

this add the work done on the send_exec.sh utility for uploading
a file and executing it via ssh.