Update fuel_plugin_example

* plugin version is 1.0.0
* remove `types`, because this field is not used
* update description
* remove install scripts because installation
  process is moved to fuel client

Change-Id: I9d31f28d2a1e0a91da4fc8278d775dd87ce3ba6d
Implements: blueprint cinder-neutron-plugins-in-fuel
Merge "Update fuel_plugin_example"