New vertex buffer class
Remove Renderer::DrawSurface
Port background milkyway to vertexbuffer
Port starfield to vertex buffer
auto-commit: translation updates
Port skybox to VertexBuffer
Pattern fix by Nyankosensei
Merge branch 'xylophis_pattern'
HOTFIX: always load _ENV in the console.

Fixes #2760
auto-commit: translation updates
Port model system to use VertexBuffer
Update shields staticmesh usage
Indices are Uint16, but index count is Uint32

Noticed this when ground_station crashed
Remove StaticMesh, Surface and related junk
Allow storing offsets in vertex description
Add extra checks to buffer mapping
auto-commit: translation updates
Use glMapBuffer when reading/writing static buffers
auto-commit: translation updates
Vertexbuffer: update makefile.am (blindly)