glebm/i18n-tasks — pull request #101 by vencislaf (2014-10-17 08:42:09+00:00)
Title: Remove warning message

When running the tests there is a warning message:

```
lib/i18n/tasks/scanners/base_scanner.rb:123: warning: instance variable
@key_filter not initialized
```

In order to remove it:

* Use `key_filter` method instead of the instance variable `@key_filter`