@cardinot -- yep sorry this is confusing.

It should work like this:


* If ```<SplitSizesConfigKey>``` is present in XML look up the provided config key in the ConfigObject (user's mixxx.cfg)
* If a value is present and parseable in the mixxx.cfg, ignore ```<SplitSizes>``` and instead use the split sizes in the mixxx.cfg
* If no value is present, default to ```<SplitSizes>```. 

This scheme allows the skin author to provide a default (via ```<SplitSizes>```) and also to provide a config key for storing the value in the user's mixxx.cfg.