(svn r10127) -Add: Addition of basic structure for industry tiles callbacks (unfinished).

-Codechange: ResolverObject receives member gfx, making it compatible for both industries and industry tiles
-Codechange: NewIndustryResolver now has his randombits and triggers (even if not implemented)

src/newgrf_industrytiles.h

@@ -0,0 +1,11 @@
+/* $Id$ */
+
+/** @file newgrf_industrytiles.h */
+
+#ifndef NEWGRF_INDUSTRYTILES_H
+#define NEWGRF_INDUSTRYTILES_H
+
+void DrawNewIndustryTile(TileInfo *ti, IndustryGfx gfx);
+uint16 GetIndustryTileCallback(uint16 callback, uint32 param1, uint32 param2, IndustryGfx gfx_id, Industry *industry, TileIndex tile);
+
+#endif /* NEWGRF_INDUSTRYTILES_H */