Apply a naming rule of GET to compute clients([ik])

[GET /resources] methods should be "list_<resource name>s"
or "show_<resource name>", so this patch applies the rule
to compute clients which names are "[i-k]*".

Partially implements blueprint consistent-service-method-names

Change-Id: Ibf88309d7b013e805ced76b4ec88c22240e3ec50
13 files changed