applied most changes by CraigyDavi
updated to new stairsplus aka moreblocks api
added serpentine stairs

Also converted whitespaces to tab.

Thanks to CraigyDavi.

Tuff and Rhyolitic Tuff are materials used in the Medival to build churches or houses of rich people.
Tuff, Tuff bricks and tuff ruble are now available in Darkage.

Chalked Bricks using the cobble texture of the old minetest_game that where removed in 0.4.7. Its a nice looking stonebrick alternative good to bring a bit more colors in stonebrick houses.

Texture is made by c55 and licensed under CC BY-SA 3.0