Update README.md

Add Jedi Outcast section.
Adjusted 64-bit section.
Merge branch 'master' into rend2
[MP] Rend2: Fix support for clampanimmap.
Implement ClearGlobalShader and use it.
[MP] Rend2: Implement oneshotanimmap and RF_SETANIMINDEX.
[MP] Rend2: Remove a couple of unused i variables from a previous commit.
[MP] Rend2: ParseSkyParms sync with vanilla.
[MP] Rend2: Implement noTC shader command.
[MP] Rend2: Fixed sky to match vanilla correctly.
[MP] Rend2: Don't bother using the shifted array for sky since its in order now.
[Rend2] Fix Ghoul2 models being rendered twice
[Rend2] Fix out of bounds access

The normal map generation code was accessing out of array bounds. This
commit fixes the problem.