Merging r6203 through r6264 from branch releases/1.8 to trunk

Just updating text files after Irrlicht 1.8.5 release.
All other changes had been backports and were in trunk already.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6265 dfc29bdd-3216-0410-991c-e03cc46cb475

changes.txt

@@ -333,7 +333,12 @@ Changes in 1.9 (not yet released)
 - burningvideo: mipmaplevel adjusted ( not that bad bokeh...(sometimes) )
 
 --------------------------
-Changes in 1.8.5
+Changes in 1.8.6 
+
+--------------------------
+Changes in 1.8.5 (1st November 2021, svn [r6263])
+ - Fix some aes compile warnings on gcc about fall-throughs.
+ - No longer include sys/sysctl.h on other platforms than OSX. Fixes compile errors in COSOperator on newer Linux systems.
  - Update script to generate tutorial.html's in example folders. Add missing ones. Update existing ones. Thanks @Guillian J for noticing those were outdated.
  - Update libpng to 1.6.37 (from 1.6.23)
  - Fix CIrrDeviceSDL::getVideoModeList which didn't return video modes before. Thx @kas1e for report and patch.

readme.txt

@@ -169,12 +169,14 @@ The Irrlicht Engine SDK version 1.9
   by other people. Especially: (There are probably more people, sorry if I forgot one.
   See http://irrlicht.sourceforge.net/author.html for more informations)
 
-  Christian Stehno (hybrid)   Contribution Coordinator/Developer
-  Michael Zeilfelder (cutealien) Developer
-  Patryk Nadrowski (Nadro)    Developer  
+  Michael Zeilfelder (cutealien) Developer/Maintainer
+  Thomas Alten (burningwater)  Wrote the burningsvideo software rasterizer  
   Yoran Bosman (Yoran)        Webserver administrator
+  
+  Former developers:
+  Christian Stehno (hybrid)   Founder
+  Patryk Nadrowski (Nadro)    Developer  
   Gareth Davidson (bitplane)  Developer/ Forum admin
-  Thomas Alten (burningwater) Wrote the burningsvideo software rasterizer
   Luke P. Hoschke (luke)      Wrote the b3d loader, the new animation system, VBOs and other things
   Colin MacDonald (rogerborg) All hands person
   Ahmed Hilali (blindside)    The shader and advanced effects man