Implement short syntax for passing base-parameters into adhoc-action

Change-Id: I4682520138e5fdde86d02afed133d6dba8f867af
Add mechanism for generation action parameters

 * Add getting human-readable params for adding
   to action
 * Add getting description for action
 * Parameters and description is already generated
   for std_actions
 * Unit tests

TODO:
  * Add the same for OpenStack Actions

Change-Id: I2f2a8ebe3bc3e75ab53f985adcecb59c0f1d7d8b
Merge "Implement short syntax for passing base-parameters into adhoc-action"