Restructure: Move squelch from common code to 'libsquelch'

src/bnetz/Makefile.am

@@ -13,6 +13,7 @@ bnetz_SOURCES = \
 	main.c
 bnetz_LDADD = \
 	$(COMMON_LA) \
+	$(top_builddir)/src/libsquelch/libsquelch.a \
 	$(top_builddir)/src/libgermanton/libgermanton.a \
 	$(top_builddir)/src/common/libmobile.a \
 	$(top_builddir)/src/common/libcommon.a \

src/bnetz/bnetz.h

@@ -1,4 +1,4 @@
-#include "../common/squelch.h"
+#include "../libsquelch/squelch.h"
 #include "../common/fsk.h"
 #include "../common/sender.h"
 #include "../libtimer/timer.h"