Log Message:
bzflag: Update to 2.4.20

BZFlag 2.4.20  "Do You See What I See?" (2020-04-24)
----------------------------------------------------

* Reorganization of the menus to improve usability - Scott Wichser
* Add bz_isWithinWorldBoundaries to API - Vladimir Jimenez
* Use teleporter names in /saveworld .obj exports - Vladimir Jimenez
* Add bz_getSpawnPointWithin to API - Vladimir Jimenez
* Fix NetHandler compiler errors on Alpine Linux - Jim Melton
* Significantly improve platform-dependent header imports - Jim Melton
* Only perform texture conversion to internal format once
    - Alfredo Tupone, Scott Wichser
* Removal of never used logic for expiring builds - Zehra
* Radar size and console height are controlled with BZDB variables - The Noah
* Add bz_getNearestFlagSafetyZone to the API - Vladimir Jimenez
* Don't allow hunt to be used when not connected to a server - Zehra
* Improve vsync settings with SDL2 - Joshua Bodine
* Ignore the -NSDocumentRevisionsDebugMode YES option in Xcode - Joshua Bodine
* Add Slovak translation - Jose Riha, Scott Wichser
* Use a greyscale color scale based on relative height when colored radar shots
    are disabled - Alfredo Tupone
* Sort locally discovered servers to the top of the server list - Scott Wichser
* Add the Open Free For All mode to the Start Server menu - Scott Wichser
* Remove ineffective performance tests and just default to "modern" \ 
settings
    - Scott Wichser
* Change default settings to better suit first time players - Scott Wichser
* Standardize the rabbit game mode name to "Rabbit Chase" - Scott Wichser
* Do not scale NPOT textures when OpenGL supports them - Alfredo Tupone
* Generate mipmaps with OpenGL 1.4 extension - Alfredo Tupone
* Fixed SDL 1.2 builds on macOS - Joshua Bodine
* Force zbuffer for Experimental quality - Alfredo Tupone
* Use GLEW to detect GL_EXT_texture_edge_clamp - Alfredo Tupone
* Add new bz_eKillReassignmentEvent to the API - Vladimir Jimenez
* Add support for storing arbitrary data in API player records - Jeff Myers
* Fix API string utility functions sometimes losing values - Vladimir Jimenez
* Add new bz_ePlayerDeathFinalizedEvent API event - Vladimir Jimenez
* Display Time-per-Frame with 2 decimal digits and averaged over time
    - Alfredo Tupone
* Output correct error when loading a nonexistent bzfs plugin
    - Vladimir Jimenez
* Remove obsolete bzfs option from Start Server menu on Windows - Scott Wichser