cataclysm: fix build on pre-10.6

Fixes mistydemeo/tigerbrew#243.
arx-libertatis 1.1.2

Closes #137.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
cataclysm: help build find Homebrew ncurses
nethack4: add HEAD

Since the nethack4 maintainers do a lot of development on HEAD and don't
do releases that often, I thought it would be a good idea to have the
option of installing via HEAD.

Closes #135.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
cataclysm: fix build under stdenv
cataclysm: fix CXXFLAGS concatenation under superenv
cataclysm: add ENV.cxx11
jnethack 3.4.3-0.11
nethack*: use Etc to determine username
ninvaders: fix build on gcc-4.2

Fixes mistydemeo/tigerbrew#252.
stone-soup: override MARCH

Fixes mistydemeo/tigerbrew#251.
slashem: fix user detection

Fixes mistydemeo/tigerbrew#253.
dwarf-fortress 0.40.13

Closes #145.
stone-soup 0.15.0

Closes #143.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
Replace patch URLs with working ones.

Closes #146.

Signed-off-by: Misty De Meo <mistydemeo@gmail.com>
netris: use patch DSL
c10t: fix freetype detection, libpng usage

Fixes #115.
c10t: use double quotes
nethack4: fails with clang 4.2

Closes #128.