This version included aws4 changes

This patch contains following changes;

• Update with new AMI-ID (new AMI contains RHEL7.4, gpfs-spectra, meltdown fix)
• Move all gpfs related deploy logs to “/var/log/gpfs”
• Remove in-correct, excess IAM policies
• Volumes (excluding root) created by cf, will be tagged with “in_use_by: IBM_Spectrum_Scale”
• Replace ssm.delete-parameter with ssm.delete-parameters
• Removed “gpfs path” setting and “/var/log/gpfs” creation, sshkey stricthost key setting from cf-tempalte (moved to AMI)
• Update with Template, gpfs version