Update:  The Underground Lake - secondary brax entrance.

This commit adds a secondary entrace for brax. It should come together
with a hometownpen, where also user under 30 hps getting ported to the
hometown after a pen. This update makes brax-mules not longer nassary. So we can finaly erase with this update all scout mules.
The Underground Lake needs a ironkey for the door to brax. 

KODwork by Taran.

![01](https://f.cloud.github.com/assets/3530788/168951/edca6c24-7a0d-11e2-84f8-73263c89eb46.png)

![02](https://f.cloud.github.com/assets/3530788/168954/f2e4867c-7a0d-11e2-8b33-12e633f6dc73.png)

The player appears at 1. after leaving the undergroundlake and X is not passable, cause of the jof. The player needs to cast blink and will appear at 2.