initial plumbing
Fragment list creation close to implemented.
Added missing reset on performance counters.
Added option for enabling OpenGL debugging.
Almost works
Works modulo blending equations.
Disabled low pri nagging from GL logging.
Cleaned up blending equations
Added simple solid pass, prepping the z-buffer. Empty FBO not needed
anymore.
Fixed outline anti-aliasing.
Removed flickering when resizing fragment buffer.
Added comment on strange gl-error.
Refactoring: render::screen renamed to render::manager etc.
Made render manager capable of telling when it should be rebuilt based
on appearance model, and added shading model.
Added color map as a 1D texture.
Began on color map legend
OIT might introduce an instability, set weigthed average transparency as
default.
Text labels are appropriately positioned.
Fixed log-legend and made colormap a bit nicer.
Fixed log-shading of surface.