Added a question about pinging nodes
Added a question about pinging nodes

LaynePeng/flocker,AndyHuu/flocker,LaynePeng/flocker,LaynePeng/flocker,runcom/flocker,hackday-profilers/flocker,wallnerryan/flocker-profiles,runcom/flocker,lukemarsden/flocker,1d4Nf6/flocker,AndyHuu/flocker,lukemarsden/flocker,adamtheturtle/flocker,Azulinho/flocker,mbrukman/flocker,moypray/flocker,moypray/flocker,AndyHuu/flocker,Azulinho/flocker,wallnerryan/flocker-profiles,hackday-profilers/flocker,w4ngyi/flocker,w4ngyi/flocker,1d4Nf6/flocker,agonzalezro/flocker,agonzalezro/flocker,w4ngyi/flocker,mbrukman/flocker,achanda/flocker,Azulinho/flocker,moypray/flocker,lukemarsden/flocker,runcom/flocker,hackday-profilers/flocker,agonzalezro/flocker,1d4Nf6/flocker,mbrukman/flocker,jml/flocker,adamtheturtle/flocker,jml/flocker,wallnerryan/flocker-profiles,achanda/flocker,jml/flocker,achanda/flocker,adamtheturtle/flocker