karma-runner/karma — pull request #1253 by vojtajina (2014-11-24 23:19:04+00:00)
Title: fix(cli): override if an arg is defined multiple times

```bash
karma start --log-level info --port 12 --log-level debug --port 34
```
Is now parsed as:
```js
{
logLevel: 'DEBUG',
port: 34
}
```

Closes #1192