core: Add crud commands and queries for Cpu Qos

Adding commands to hanle the new Cpu Qos
With multiple paragraphs if necessary.

Using qos infra to handle queries.

Change-Id: I101b1325e89e68f548bfcf83fe7e0033b88419e6
Bug-Url: https://bugzilla.redhat.com/1084930
Signed-off-by: Gilad Chaplik <gchaplik@redhat.com>