Merged revision(s) 3044 from branches/releases/bacnet-stack-0-8-0:

Added BACnet/IPv6 datalink layer and example BACnet/IPv4 to BACnet/IPv6 router.
BVLC6 layer is working on Linux port without BBMD features yet. Win32 is implemented, untested.
Tested during BACnet North American Plugfest 2016.
........

bacnet-stack/demo/Makefile

@@ -47,7 +47,7 @@ DEBUGGING =
 OPTIMIZATION = -Os
 ifeq (${BUILD},debug)
 OPTIMIZATION = -O0
-DEBUGGING = -g
+DEBUGGING = -g -DDEBUG_ENABLED=1
 endif
 # put all the flags together
 CFLAGS := -Wall $(DEBUGGING) $(OPTIMIZATION) $(INCLUDES) $(DEFINES)
@@ -109,3 +109,7 @@ error:
 
 router:
 	$(MAKE) -s -b -C router
+
+router-ipv6:
+	$(MAKE) -b -C router-ipv6
+