Setting correct type for 2 core files

finder_cli.ini as well as files_joomla.sys.ini need to be set as core files and type "file" to be filtered and displayed OK in the translations Manager.

After patch, in the Translations Manager, we will get when filtering by 'site' and 'file':

![screen shot 2014-10-07 at 11 13 39](https://cloud.githubusercontent.com/assets/869724/4539947/6a25e162-4e02-11e4-9cbb-24d4dd3710d0.png)