Fix trove help for datastore-version-list and -show

Added 'name' to the help for the CLI commands
datastore-version-list and datastore-version-show

Change-Id: I28be2d50ccaca6a2d19a8d0e74e831e6a8ed8238
Closes-Bug: #1316630
Merge "Fix trove help for datastore-version-list and -show"