fix template 84 (rock)
fix passability of Template 49 (snow)
fix template 35 (snow) passability
fix template 14 (snow)
did same changes as snow tile, except 1 rock
(the rock is different in the snow tile, which is why it looked funny)
applied same changes to winter.yaml
did same changes to desert tileset
Fixed the rocks in desert tileset

They were all set to inherit defaults, few of them were set properly. You could drive through most of them.
Merge pull request #5289 from psydev/tiles

Fix rock passability in snow, winter, temperat