(core) evicted pthread/mutexes from frameserver backend as we're back to (mostly) single-threaded
(core) networking fixups to lua code, added target_reject.
(doc) target_alloc documentation stub
(core) fixed wrong fcntl flag control
(frameserver) suppressed some gcc warning idiocy
(frameserver) fixed some accidental GNU extension reliance
(shmif) added stubs for deallocating secondary segments
(frameserver) sliced and diced networking support, possibly breaking things as a first step to making things less terrible.
(build) minor tweaks