Added src and Makefile for hackfest vnf and ns

Fixed Makefile for juju-charms to use "charm build"

Change-Id: I551280c5ccda09c395490237ca00693ab3d0cce9
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/juju-charms/Makefile b/juju-charms/Makefile
index d6aa754..65c3b0e 100644
--- a/juju-charms/Makefile
+++ b/juju-charms/Makefile
@@ -38,5 +38,5 @@
 	docker run -u $$(id -u):$$(id -g) -v$$(pwd):$$(pwd) -w$$(pwd) $(CHARM_DOCKER_TAG) charm-build -o $(BUILD_DIR) $<
 else
 $(CHARM_BUILD_DIR)/%: $(CHARM_SRC_DIR)/%
-	charm-build -o $(BUILD_DIR) $<
+	charm build -o $(BUILD_DIR) $<
 endif