cross correlation on x86 done
0808
initMerge remote-tracking branch 'origin/signal' into signal
Merge remote-tracking branch 'origin/master' into upload

Conflicts:
	acoustic_modem.c
upload file
sync_integrated.
init modeswap
update the rs232 lib
cut the useless part
compile ok
not yet test it
implicit issue #define __GNU_SOURCE
seems that all compile warning message was solved
cleanup file system
msg -> msg_local
Merge remote-tracking branch 'origin/comparison' into devel
Merge remote-tracking branch 'origin/libserial' into devel
Merge remote-tracking branch 'origin/matlab' into devel

Conflicts:
	Makefile
	acoustic_modem.c
Merge remote-tracking branch 'origin/modeswap' into devel

Conflicts:
	acoustic_modem.c
	acoustic_modem.h
Merge remote-tracking branch 'origin/upload' into devel

Conflicts:
	acoustic_modem.c
Merge remote-tracking branch 'origin/sync_scheduler' into devel
before merge to libusage
Merge branch 'libusage' into devel

Conflicts:
	acoustic_modem.c
	acoustic_modem.h