Peg Solitaire implementation, complete with a random board

generator. The generator is lacking in almost any kind of finesse,
but it produces puzzles which at least _I_ find plausibly puzzling.

[originally from svn r6052]

Recipe

@@ -19,9 +19,10 @@ NET      = net tree234
 NETSLIDE = netslide tree234
 MINES    = mines tree234
 FLIP     = flip tree234
+PEGS     = pegs tree234
 
 ALL      = list NET NETSLIDE cube fifteen sixteen rect pattern solo twiddle
-         + MINES samegame FLIP guess
+         + MINES samegame FLIP guess PEGS
 
 net      : [X] gtk COMMON NET
 netslide : [X] gtk COMMON NETSLIDE
@@ -36,6 +37,7 @@ mines    : [X] gtk COMMON MINES
 samegame : [X] gtk COMMON samegame
 flip     : [X] gtk COMMON FLIP
 guess    : [X] gtk COMMON guess
+pegs     : [X] gtk COMMON PEGS
 
 # The Windows Net shouldn't be called `net.exe' since Windows
 # already has a reasonably important utility program by that name!
@@ -52,6 +54,7 @@ mines    : [G] WINDOWS COMMON MINES
 samegame : [G] WINDOWS COMMON samegame
 flip     : [G] WINDOWS COMMON FLIP
 guess    : [G] WINDOWS COMMON guess
+pegs     : [G] WINDOWS COMMON PEGS
 
 # Mac OS X unified application containing all the puzzles.
 Puzzles  : [MX] osx osx.icns osx-info.plist COMMON ALL

list.c

@@ -25,6 +25,7 @@ extern const game mines;
 extern const game net;
 extern const game netslide;
 extern const game pattern;
+extern const game pegs;
 extern const game rect;
 extern const game samegame;
 extern const game sixteen;
@@ -40,6 +41,7 @@ const game *gamelist[] = {
     &net,
     &netslide,
     &pattern,
+    &pegs,
     &rect,
     &samegame,
     &sixteen,