Alpha Yellav Valley .8

Fixed Graphics / Fps / forest issue : by @bob.blunderton

moderation : fixed forest issue

Fix by @bob.blunderton

changes-
-updated credits list
-colors
-grass
-a few new buildings
-some textured roads
-placement of 3rd party objects
-normals on terrain
-some streetlamps with working lights during the night
-further optimization
-override for default skid-mark(the result is better fps)


unfinished changes-
-The roads and buildings are not all in yet, but I feel in the mood to upload something.

Projected changes for Alpha 0.8-
-finished road textures
-finished town
-better bridges
-small fixes

-Normals have been removed from the terrain.

-Grass has been reduced.

-All meshes now use imposters.

-A number of terrain textures now use a different image format.

-Groundmodel names have been fixed.

-Snow looks and acts more snow.