add new install-node.rst doc
add new install-node.rst doc

adamtheturtle/flocker,AndyHuu/flocker,achanda/flocker,w4ngyi/flocker,AndyHuu/flocker,moypray/flocker,mbrukman/flocker,hackday-profilers/flocker,wallnerryan/flocker-profiles,achanda/flocker,mbrukman/flocker,hackday-profilers/flocker,agonzalezro/flocker,moypray/flocker,wallnerryan/flocker-profiles,adamtheturtle/flocker,wallnerryan/flocker-profiles,hackday-profilers/flocker,agonzalezro/flocker,moypray/flocker,adamtheturtle/flocker,achanda/flocker,mbrukman/flocker,w4ngyi/flocker,agonzalezro/flocker,w4ngyi/flocker,AndyHuu/flocker