HD textures for the Island of Happiness for GTA 4

Features:
- Replaced almost all the textures;
- Texture size 1024 x 1024;
- No loss of performance;
- Support for "lod", "normal map" and "specular map";
- Tested on patch 1.0.4.0 and 1.0.7.0.

Author:  falcogray

Tag: Textures