Add support for IOPS provisioned volumes

Also ensure that the volumes detail is updated in the documentation
Allow specifying the script args to feed to the bootstrap script from the console.
Merge pull request #715 from s0undt3ch/features/cli-script-args

Allow specifying the script args to feed to the bootstrap script from the console
Update to regions, adding SYD, removing old auth endpoint info for UK/LON
Merge pull request #714 from mahendra/iops

Add support for IOPS provisioned volumes
Merge pull request #716 from welbymcroberts/patch-1

Update to regions, adding SYD, removing old auth endpoint info for UK/LON