[SP] Clean up renderer files, removed ununsed files
[SP] Clean up some unused code, defines, includes
[MP] Clean up some unused code, defines, includes
[MP] Try ioq3's version of the video record desync fix.
Though technically its not any different.
[SP] Merge some g_client cleanup/rewrite stuff to SP from MP.
Removed _NO_PCH and _IMMERSION references.

_NO_PCH will always be true, and _IMMERSION references nothing, so out
they go.
Merge pull request #428 from ImperatorPrime/master

Removed _NO_PCH and _IMMERSION references.
Removed unused files.
Merge pull request #429 from ImperatorPrime/master

Removed unused files.
[SP] Removed g_headers files.

Files now explicitly depend on the headers they need, instead of that
catch all.
Merge pull request #430 from ImperatorPrime/master

[SP] Removed g_headers files.
Fix build break.
Merge pull request #431 from ImperatorPrime/master

Fix build break.
Adding myself as a maintainer.
Updated JK2 readme.
Make the readme more readable.
[SP] More renderer cleanup. Remove unused files (null, .def, .zip)
[SP] Fix bad merge referencing moved file
[MP] Fix Jedi Master getting stuck in zoom mode. Fixes #432
[SP] Fixed libraries not loading properly due to removing export definition file in previous commits