Add polish translation and fix settings layouts

Entries in "Setting" and "Advanced settings" layouts are now height-responsive and its labels have right padding, so arbitrary long string are now displaying just fine. Screenshot after changes:

![image](https://cloud.githubusercontent.com/assets/1827393/3605474/c5694be4-0d2b-11e4-9e09-b7307c5c9f70.png)