Version bump to 8.31RR6

BraXi (2):
      renders: fix BSPX lightmaps
      Rename functions r_dlightframecount parameter to lightframecount

David Carlier (1):
      models_md5 few memory related fixes

Denis Pauk (58):
      client: add custom protocol with short model index
      client: bump protocol and game version / unstable compatibility
      render: sync count of images with protocol max image count
      models: md5 do not copy token before use
      models: md5 partial COM_Parse in ReadMD5Anim
      models: md5 partial COM_Parse usage in ReadMD5Model
      models: ReadMD5Anim use strtol for parse
      models: ReadMD5Model get rid of sscanf usage
      models: ReadMD5Model more strict validation
      models: ReadMD5Anim get rid sscanf usage
      models: md5 call R_CompressNormalMDL only once for vertex
      soft: reuse R_LerpVerts code
      soft: move R_LerpVerts upper by call stack
      refresh/files: cppcheck warning clean up
      gl3/gl4: fix count lightmap in mgu5m2
      gl1: cppcheck fixes
      models: md3/md5 show count of verts and tris
      models: show number commands in model
      models: md3 compress commands
      models: remove static buffers for commands compress
      models: prepare command compress to share logic
      models: md5 rearrange glcommands generation
      models: save triangles ofs/num in each mesh
      soft: fix multi mesh models render
      client: fix pickup message in demo
      models: md5 tris compress before compress gl commands.
      models: apply md3 compress tris logic
      models: revert slow vect compress logic
      models: md3/md5 share command generation code
      models: mdl compress triangles
      models: mdl support grouped frames
      models: make mdl count frames detect separate function
      models: mdl separate function for image load
      models: mdl fix texture coordinates
      models: dkm Daikatana, md2 Anachronox generate normals
      models: dkm split model to meshes
      models: add mdx / Kingpin models support
      renders: load mdx/Kingpin models support
      models: MDX mesh split by subobj value
      soft: fix cppcheck warnings, remove unused isflattop
      soft: fix cppcheck warning and remove unused fullscreen property
      cin: support tga/jpg/png static image
      models: fix md5 replacement load without md2 model
      filesystem: add support of Anachronox DAT archive format
      filesystem: Anachronox fix load sky
      filesystem: support longer path in archives (up to 128)
      client: add xatrix demo protocol check
      Add windows 32bit build releases
      small build clean up
      Add readme note about SiN maps
      protocol: share configstring convert logic
      server: convert config string to protocol range
      server: support of load original game library
      server: QII97 protocol version check unification
      server: extend count of sound indexes
      server: extend gun frame and index to short
      soft: fix original Quake 2 map lights regression
      renders: split R_BuildLightMap to two function

Feels Duck Man (4):
      Added a speedometer that displays the player's speed in QU/s.  Wasn't quite sure how to implement it without adding GetPlayerSpeed() to pmove.c.  Unsure if there is a cleaner way to do this while keeping it inside cl_screen.c
      Removed 'Speed' label for speedometer when being displayed
      Added an option to draw speed under the crosshair with cl_showspeed 2, fixed drawing the speedometer when the game wasn't playing.
      Added documentation for 'cl_showspeed' in 040_cvarlist.md

Guilherme Nemeth (1):
      berserker: slam attack, running club attack

Sajt (1):
      models: add gl command compress code from qwalk

apartfromtime (3):
      Texture filtering option
      Texture filtering options for OpenGL and Software video modes
      Fix software dithering

CHANGELOG

@@ -1,3 +1,15 @@
+Quake 2 8.31RR6:
+- renders: fix BSPX lightmaps (by BraXi)
+- Rename functions r_dlightframecount parameter to lightframecount (by BraXi)
+- models_md5 few memory related fixes (by David Carlier)
+- use custom protocol with extended limits (by Denis Pauk)
+- improve mdl support, and add Kingpin .mdx models support (by Denis Pauk)
+- support Anachronox DAT archive format (by Denis Pauk)
+- Added a speedometer that displays the player's speed in QU/s. (by Feels Duck Manby)
+- berserker: slam attack, running club attack (by Guilherme Nemeth)
+- models: add gl command compress code from qwalk (by Sajt)
+- Texture filtering options for OpenGL and Software video modes (by apartfromtime)
+
 Quake 2 8.31RR5:
 - md3 models support,
 - initial md2 Anachronox models support,

src/common/header/common.h

@@ -32,7 +32,7 @@
 #include "shared.h"
 #include "crc.h"
 
-#define YQ2VERSION "8.31RR5"
+#define YQ2VERSION "8.31RR6"
 #define BASEDIRNAME "baseq2"
 
 #ifndef YQ2OSTYPE