Added SFML dependency.
Added TCMalloc support. You just have to set TCMALLOC_LIB to a string that can be appended to the linker command.
Started working on the OpenGL code.
Fixed an error when building.
Added more OpenGL work.
Added more work to the OpenGL wrapper.
Implemented an OpenGL buffer abstraction.

Added a template class for abstracting uploading and downloading data
from the GPU. It includes STL compatible iterators.
I haven't profiled its performance yet.
Fixed a bad bug in the game_loader code.

It always assumed the shared objects have the .dll extension.
Move subsystem class explicitly non-movable and non-copyable.
Started working on a render component.
Made a bunch of changes to the launcher code.
Fundamental detail.
Another fix for the game_launcher.
Added a small test client.
Worked some more on the rendering code.
Made the test client tick the game it receives as a paremeter.
fixup! Worked some more on the rendering code.
Worked more on the test client.
Almost finished the render subsystem :D.
Small changes for adding support for VAOs.