Adding visitor area to prison. part 1
adding visitor area to prison mine part 2
adding visitor area to prison mine part 3
Adding visitor area to prison. part 4
Adding visitor area to prison. part 5
swapping out to rocks that can't be mined.
minor adjustments
Merge branch 'develop' of https://github.com/LaFamiglia/Illarion-Map into develop

Conflicts:
	Surfaces_Roofs_Mountains_Undergrounds/SW_Underground/prisonmine_-40.items.txt
	Surfaces_Roofs_Mountains_Undergrounds/SW_Underground/prisonmine_-40.tiles.txt