Basic passwords are rejected by the nxos device unless `no password strength-check`
is configured. This change just makes the password meet the minimum strength checks.
* I seem to have forgotten the back half of tests
* Set http timeout from persistent_command_timeout
* Tweak URL generation and provide URL on error
* Push var_options to connection process
* Don't wait forever if coming from persistent
* Don't send the entire contents of variables to ansible-connection
