C-Netz: Added list of base station names and IDs

Automatic polarity detection is now done by using the polarity of last
transmitted message. We cannot use two base station IDs anymore, to
detect the polarity. Now we deal only with the defined base station ID.

src/cnetz/Makefile.am

@@ -13,6 +13,7 @@ cnetz_SOURCES = \
 	fsk_demod.c \
 	image.c \
 	ansage.c \
+	stations.c \
 	main.c
 cnetz_LDADD = \
 	$(COMMON_LA) \