azukiapp/azk — pull request #207 by gullitmiranda (2014-12-16 17:26:26+00:00)
Title: Hotfix/open option no default

- Fixing option --open in command `start/restart` not null;
- If the default value of the option at a command is null, you can set the placeholder that will be the value displayed by default.

**before:**

```bash
$ azk help start
Usage: $ azk [options] start [options] [system]

Starts an instance of the system(s)

options:

--verbose, -v, -vv Sets the level of detail (default: false) - multiples supported
--reprovision, -R Force the provisioning actions before starting an instance (default: false)
--open="", -o Open a url of default system in the preferred application
```

**after:**

```bash
$ azk help start
Usage: $ azk [options] start [options] [system]

Starts an instance of the system(s)

options:

--verbose, -v, -vv Sets the level of detail (default: false) - multiples supported
--reprovision, -R Force the provisioning actions before starting an instance (default: false)
--open="application", -o Open a url of default system in the preferred application
```