Coping with some Core inis not included in reference

Some core ini files are not included in reference.
In the translations view, they display as not in reference for an already installed language.
When it is a new language, they do not even display
here is an example with the com_wrapper ini and sys.ini in administrator
Before:
![screen shot 2014-06-08 at 11 08 55](https://cloud.githubusercontent.com/assets/869724/3210868/9506b354-eeec-11e3-84e5-6414b61df4a2.png)

After:
![screen shot 2014-06-08 at 10 52 38](https://cloud.githubusercontent.com/assets/869724/3210835/716ef8ae-eeea-11e3-91b6-34a7b3bcbb07.png)

I have traced this issue to the existence or not of the component folder in the $client, the way the scans are done, i.e. if I add an empty com_wrapper folder in admin, then these files wou;d be included as reference automatically.

The PR forces them as reference.