What changed in EDuke32, build by build

fix more stupid errors in b6740a7b32d352e6d71a5be0bc118f381599933e

fix dumbass GL state oversights

fix stupid copy/paste error in b6740a7b32d352e6d71a5be0bc118f381599933e

fix animvpx

Fix regression causing KV6 voxels to render black.

fix integer overflow in wall sprite x coordinate calculations

oops, this still needs to be called here for Polymer to work in the editor

fix warning

Add linear sampler object, fixes forcefilter DEF token in polymost.

fix integer overflow of globalzd in floor sprite rendering code

fix integer overflow of x/y panning in floor sprite rendering code

improve GL state management, add support for GL sampler objects, add libtess2 and implement in polymer in place of the GLU tesselator, drop dependency on libGLU, improve GL debug output (in debug builds), fix various GL resource leaks

fix console logging issue on Linux introduced by logging rework

Fix updatesectorz() not checking z height in fallback, and add fallback optimization to updatesectorexclude()

Fix a fuckup where I accidentally removed the color swap from gloadtile_art.

fix tabs in random.h

fix compilation warning with RELEASE=0 builds

fix SDL fullscreen issues

remove r_pr_vbos cvar and the code paths used for values 0 and 1

manually flush console log file ptr in crash handler

fix double free on exit

fix exported symbols for memory allocation failure handling

fix warning in sqrtable_old[] generation in initkqsrt()

fix calc_smoothratio again

fix uninitialized data use

fix incorrect lower bound for r_anisotropy

fix rotatesprite interpolation issues

fix timer problems, move calc_smoothratio to engine

don't allow clipupdatesector() to move a point into null space

fix copy/paste error in 24e5d5fc15bde29de7d6ced1a919dc76f6a8987e

fix crash in classic mode voxel rendering

Initialize blend to 0 when inserting sprites

polymer: 'fix' texture scale on relative floors

polymer: fix angle precision with sector relative tile alignment

fix parsing of voxel definition in error cases

fix shading of tall tiles in ASM version of classic renderer

Fix ancient identical branch warning in the Polymer code

Fix problems when changing renderer after having seen a mirror