Merge pull request #4 from imuguruza/master

Minor explanations added
es: doc ip forward
fix Summary ip_forward
fix ip_forward
Merge pull request #5 from ahcorde/master

IP forward
Croos-compiling doc
en doc ip_foward
Merge pull request #6 from ahcorde/master

en doc ip_foward
Merge pull request #7 from ahcorde/master

Croos-compiling doc
fix ip_forward doc
Merge pull request #8 from ahcorde/master

fix ip_forward doc
How to graph the sensors with mavproxy
Merge pull request #9 from ahcorde/master

How to graph the sensors with mavproxy
Merge pull request #10 from imuguruza/master

Update copy  image to sd card, win7 addition
Merge pull request #11 from imuguruza/master

Cloud 9 instalation tutorial
Merge pull request #12 from imuguruza/master

NodeJS v0.8.x instalation explanation added
Merge pull request #13 from imuguruza/master

Nodejs v0.10 fix added
Merge pull request #14 from imuguruza/master

Codiad Installation guide addition