More sensible to bring all the pieces of per-puzzle descriptive text
together into one place, so they can be easily reused everywhere
they're needed.

install the actual games, not the auxiliary binaries or nullgame.

[originally from svn r9887]

to it giving each game's "internal" name (as seen in the source file,
.R etc) and also a brief description of the game. The idea of the
latter is that it should be usable as a comment field in .desktop
files and similar.

[originally from svn r9858]

defining it centrally per port, I think it's neater to define it for
each puzzle when adding that puzzle to the ALL list - because those
front ends which take -DCOMBINED are precisely those which use ALL.
In particular, this change opens up the possibility of compiling
both individual puzzles _and_ a combined monolith within the same
makefile.

[originally from svn r8178]

binary from the Galaxies source file. The function of the new
`galaxiespicture' is to take a .xbm bitmap on standard input and
convert it into a Galaxies game ID using both black and white dots,
such that when solved the puzzle displays the input bitmap.

In the process of this I've implemented a post-processing pass after
the main game generation, to prevent clusters of adjacent
singletons. James H already solved that problem for unconstrained
game generation, but for some reason it came back when I did this.
However, the post-processing pass is still turned off for normal
usage, on the basis that (a) if it ain't broke don't fix it, and (b)
it's rather slow and best avoided if not necessary.

[originally from svn r7354]

This means that puzzles.rc2 is always included in all Windows and
PocketPC builds, which in turn means that I should be able to start
filling it full of VERSIONINFO and have that reliably included as
well.

[originally from svn r7339]

[originally from svn r7319]

[originally from svn r7304]