We may need entries with spaces in makeopts, installopts, and
configopts, and at that point we should also convert depends and
auth_opts to avoid confusion.
Now that we're generating the CMake toolchain file in the build
directory, we need to redirect the ports that use CMake to the new
location. Looking into this showed that there's still a bunch of work to
do in general to make the ports agnostic to which toolchain they're
using, there's a lot of hard-coded ${ARCH}-pc-serenity-gcc assumptions
still here.
This changes the .port_include.sh script so that ports can more easily
create more than one launcher by making the install_launcher function
available to the port's package.sh script.
This creates launchers for the stpuzzles port in the Games/Puzzles
category.
