frontlib refactoring
socket.h now completely wraps all the lowlevel neworking, so it would be easy
to switch away from SDL_net if needed. Also reduced global state by making an
IPC connection an object-like thing.
#! /usr/bin/sed -nf
s/^#define *FREETYPE_MAJOR *\([^ ][^ ]*\).*$/freetype_major="\1" ;/p
s/^#define *FREETYPE_MINOR *\([^ ][^ ]*\).*$/freetype_minor=".\1" ;/p
s/^#define *FREETYPE_PATCH *\([^ ][^ ]*\).*$/freetype_patch=".\1" ;/p