set the order lag to 1 in single player games
Added New Missions

Added New Single-player Survival Map - Survival02
Added New 4 Player Co-op Survival Minigame - Fort LoneStar
Use stream extensions to read binary map data.
Return a synthesized tile for missing indices. Fixes #3329.
Make missing tile transparent to avoid visual glitch with bridge1h in maps.
Merge pull request #3366 from pchote/bridge-fix

Fixes #3329
Fort LoneStar Fixes/Changes

Added:
-Game-play Balance changes
-Greater Difficulty
-Added Boss(es)
Added Sahara Map

Added Sahara 4v4 map
Good balanced ore and symmetrical
Add a Name field to Armament for other traits to reference.
Add matrix helpers to Graphics.Util.
Add renderer support for matrix uniforms.
Add renderer support for additional vec* uniforms.
Expose depth buffer to render code.
Expose stencil buffer to render code.

The intention is to provide a layer for tracking shadow
rendering, so a single bit is sufficient for now.
Support Vertex objects with custom z coordinate.
Implement vxl parser.
Implement hva parser.
Store the voxel normals table in a palette.
Add core voxel rendering code.
Allow mods and maps to define voxel sequences.