Remove version from setup.cfg

There is no more need to store version in the setup.cfg file. It'll
automatically generated using the latest tag.

Change-Id: I574bdf5ebfb6b3c1dfc44fbb891f6a0ca6af5ae9
Add --json option to cluster-template-show

Allows for exporting of cluster template in a JSON representation

Change-Id: If65de7c01ab8eddf5c992c26b239822105473773
Implements: blueprint python-savannaclient-cli
Add --json option to cluster-show

Allows for exporting of cluster in a JSON representation

Change-Id: I37645fcc3afaeb1792fd4be2962603aeff04a6c1
Implements: blueprint python-savannaclient-cli
Merge "Remove version from setup.cfg"