Fixes #4788 Resin walls on abandoned mining station

Fixes #4788

Adds correct type of resin wall to abandoned mining station
Replaces patchy weeds with weeds around nodes on abandoned mining station
Fixes resin walls not having an icon in map maker

![abdmin](https://cloud.githubusercontent.com/assets/4343468/4373340/e4669304-432b-11e4-987a-cdac09bb6a96.png)