* Add command_timeout timer that defines the amount
of time to wait for a command or RPC call before
timing out.
* Remove connect_retries and connect_interval configuration
varaible and replace it with connect_retry_timeout to control
the timeout value of connection to local scoket.
* Make required changes to netowrk action plugins and relevant
network files in module_utils.
* Required documentation changes.
* Adding aruba_command module along with unit tests.
* Fixing PEP8 E303 too many blank lines.
* Adding default for timeout.
* Removing unused arguments. Moving default for timeout argument. Fixing cliconf to find hostname.
* Fixing PEP8 E302.