Replace almost all texture uses with calls to the new system.
Add some anistropic filtering to terrain textures.
Let Atlas load terrain texture previews partly-asynchronously by
polling.
Fix inefficient texture colour determination for minimap.
Remove unused global g_TerrainModified.
Change GUI texcoord computation to be less efficient but to cope with
dynamic texture changes.
Fix GUI renderer effects leaving bogus colour state.
This was SVN commit r8099.
- wposix.cpp: initial support for MEM_RESERVE and MEM_COMMIT semantics
in mmap
- cstr: removed no longer necessary serialization header
- xmlutils: wrap new() calls in nommgr/mmgr; allows tracking other
allocs in this file.
- add u64_from_u32
- various minor comments/improvements.
This was SVN commit r2604.
