Add job-binary-show to CLI

Change-Id: I415d259667d81cf7567ac36c2392b6ff7b8714cc
Implements: blueprint python-savannaclient-cli
Add job-binary-delete to CLI

Change-Id: I865440def08d6b8e86e851de1ae44d9c4af281a3
Implements: blueprint python-savannaclient-cli