Merged r2741:2936 from trunk (without *nix stuff)

Included revisions: 2868, 2871, 2883, 2889-2890, 2904, 2905, 2919, 2924
-prboom's NEWS, TODO and INSTALL files
-Removed unused code
-Fix crash by testing for null targets in A_FatAttack{1,2,3}
-Restore special case for trivial maps (one sector)
-Fix potential segfault in R_ProjectSprite
-Fix linear filtering on flats in software mode

prboom2/AUTHORS

@@ -32,6 +32,7 @@ Florian Schulze <florian.schulze@gmx.net>
 Colin Phipps <cph@moria.org.uk>
 Neil Stevens <neil@hakubi.us> - Mac OS X porting
 Andrey Budko <andrey.budko@gmail.com>
+Rob Young (RjY) <rjy@users.sourceforge.net>
 
 Our thanks go to all the authors of the ports mentioned above, and also the
 following people who contributed code to LxDoom or PrBoom:

prboom2/INSTALL

@@ -1,8 +1,8 @@
-Installation From CVS
+Installation From SVN
 =====================
 
 If you intend to compile PrBoom from a source tar file, such as
-prboom-plus-2.4.8.6.tar.gz, as opposed to CVS, skip to the "Basic Installation"
+prboom-plus-2.4.8.6.tar.gz, as opposed to SVN, skip to the "Basic Installation"
 section.
 
   1. Install and configure deutex.  If deutex is already installed and
@@ -15,9 +15,8 @@ section.
   2. 'cd' to a suitable parent directory for the PrBoom distribution:
         cd /usr/local/src
 
-  3. Extract the PrBoom distribution from CVS:
-        cvs -d:pserver:anonymous@cvs.prboom.sourceforge.net:/cvsroot/prboom login
-        cvs -z3 -d:pserver:anonymous@cvs.prboom.sourceforge.net:/cvsroot/prboom co prboom2
+  3. Extract the PrBoom distribution from SVN:
+        svn co http://www.crowproductions.de/repos/prboom/branches/prboom-plus-24/prboom2
 
   4. 'cd' to the directory containing the PrBoom distribution (the directory
      this file is in):

prboom2/NEWS

@@ -1,9 +1,64 @@
 This file shows a history of changes between PrBoom versions since v2.1.0.
 For historical reference, the complete LxDoom changelog follows it.
 
-Changes from v2.4.7 to v2.4.8
+Changes from v2.4.7 to v2.5.0
+- Limit the game to one CPU core on a multicore machine [prb+]
+- Fix crash when out-of-range values are used in fixed point arithmetic [prb+]
+- Allow the game to build without SDL_mixer, add --without-mixer option to
+  ./configure to force this. Music support will be disabled in this case
+- Don't set the default game skill from the new game menu
+  Instead there is an option to set it explicitly in the General menu
+- Fix the brightness of the player's weapon
+- Fix linear filtering on flats in software mode
+- Fix crash when an unknown sprite is used with a non-zero frame number
+- Restore special case for trivial maps (bug #1837422)
+- Fix screenshots in high colour screen modes - if libpng is available at
+  build time it will be used, otherwise a BMP will be saved
+- Don't process mouse input in the menus [prb+]
+- Always use Doom's main menu order to avoid bugs with Alien Vendetta [prb+]
+- Remove line of junk graphics below status bar [prb+]
+- Restore Boom friction and bobbing code [prb+]
+- Fix crash by testing for null targets in mancubus fire code pointers
+- Restore last known enemy check in Boom compatibility [prb+]
+- Animated middle textures with zero index forced [prb+]
+- Better handling of unrecognised demo formats [prb+]
+- Fix for hanging decoration disappearing in Batman Doom MAP02 [prb+]
+- Fix menu description: pain elementals are limited to 21 lost souls
+- Manual page fixes from Debian
+- Fix position of netgame player arrows on the automap in rotate mode
+- Ignore chat key presses in multiplayer demo playback and -solo-net
+- In deathmatch demo playback always draw player arrows on the automap
+- In a multiplayer demo, don't reset view to console player on a new map
+- Fix crash when MP3 music is being used and the player changes back to
+  a piece of music that's already been loaded before
+- Avoid HOM effect on large maps such as epic.wad 5 [prb+]
+- Fix sound origins on large levels [prb+]
+- Handle demos with bad or missing headers [prb+]
+- Fix the colour of player 4 (red) in multiplayer
+- Play correct player pickup sounds in multiplayer demos
+- Don't allow solids to pass through no-clipping objects in Doom [prb+]
+- Restore Dehacked's ability to set the raisestate of a mobj [prb+]
+- Handle demos with a missing end marker [prb+]
 - Ignore switches that reference unknown textures instead of exiting
+- Fix crash when resetting a menu to defaults [prb+]
+- Fix crash when trying to play demos from Boom 2.00 [prb+]
+- Fix crash in multiplayer demos when there are still sounds playing
+  on map changes (e.g. players revving chainsaws) [prb+]
+- Fix mouse clicks on the intermission screen being ignored
+- Don't eat screenshot key presses (see sf bug #1843280)
+- Detect Hexen-format maps and refuse to play them, instead of crashing
 - Fix crash when loading maps with missing player starts
+- The backs of switches must be pressable in any demo recorded by
+  Boom 2.01, even those in Boom's "compatibility" mode [prb+]
+- Force comp_doorstuck=1 in Boom 2.01 compatibility mode [prb+]
+- comp_dropoff=1 was broken in MBF compatibility mode [prb+]
+- Restore --disable-dogs but make sure it doesn't break Dehacked
+- Fix desync if the user presses pause on the intermission screen [prb+]
+- comp_666 fixed: either cyberdemon or spider can end E2M8 or E3M8;
+  killing a baron on E3M8 won't cause the level to end any more [prb+]
+- Fix broken string matching in Dehacked [prb+]
+- Passing --without-net to ./configure will compile the game without
+  network support; this may help if your platform lacks SDL_net
 - Fix crash when reloading network savegames (bug #1590350)
 - Fix bug in transparency rendering caused by doing it in two places
 - Added high color rendering