1.4 alpha build 2248

This build finally implements most of the Steamworks stuff, including Multiplayer. This is a complete rewrite of the Steam code, so anything unexpected is likely a new bug.

Also in this release:

• Allow getting armour in sizes for your pets.
• Add another use for oil, remove an abuse for lamps
• Pixie spawn fix
• Tweaks of visuals of powerstone, golden items, gnomethrone, danger frame,