Add Codepath markdown for Hadoop cluster creation
Add Codepath markdown for Hadoop cluster creation

ibyron/e-science,KPetsas/e-science,ibyron/e-science,KPetsas/e-science,KPetsas/e-science,ioannisstenos/e-science,KPetsas/e-science,ioannisstenos/e-science,grnet/e-science,ibyron/e-science,ibyron/e-science,ioannisstenos/e-science,grnet/e-science,grnet/e-science,ibyron/e-science,grnet/e-science,ioannisstenos/e-science,KPetsas/e-science,ioannisstenos/e-science,grnet/e-science