Changes line-width of full WDPA rendered on map

This way it doesn't look like europe is just one giant PA.

*new*
![screenshot 2014-08-20 08 29 54](https://cloud.githubusercontent.com/assets/182921/3977625/ded7a5b4-283b-11e4-8c7c-3c6c078076cd.png)

*old*
![screenshot 2014-08-20 08 30 14](https://cloud.githubusercontent.com/assets/182921/3977624/ded61276-283b-11e4-9ee1-5076d960784b.png)