Catalog actions output fixes + Ger transl. update..

..due to latest changes

Catalog actions output updated as follows:

Verify catalog before
![verify before](https://cloud.githubusercontent.com/assets/6222200/3077367/f94a62a2-e424-11e3-89c2-829cc93eb96c.png)
Verify catalog after
![verify after](https://cloud.githubusercontent.com/assets/6222200/3077368/fe05a4b4-e424-11e3-9adf-ca1d83756898.png)

Clean catalog before
![clean before](https://cloud.githubusercontent.com/assets/6222200/3077370/0b9d5cb6-e425-11e3-9140-c1c5a99bcbf4.png)
Clean catalog after
![clean after](https://cloud.githubusercontent.com/assets/6222200/3077372/0f5a3c98-e425-11e3-9769-3a0fe4f30c65.png)

Album art search before
![art search before](https://cloud.githubusercontent.com/assets/6222200/3077373/11d0db12-e425-11e3-84fb-7252fc270d07.png)
Album art search after
![art search after](https://cloud.githubusercontent.com/assets/6222200/3077374/1313cce6-e425-11e3-8539-e2d120521d33.png)