add demon camps for Silverwing
Fix issue #10027, #10024, #10026, #10021
add maps for 3 cistern dungeons (rat noob dungeon for each town)
add two wells, as dungeon entrance
Add a few items.
Some wall changes at the edges of the maps.
Change walls and add lights.
Small edits to Cisternstorage
Make a few requested changes.
Changed a few items.
Adjust barrier to accommodate new spawn pattern.
Merge branch 'develop' of https://github.com/Illarion-eV/Illarion-Map into develop