Make vRouter components into separate apps.

This allows us to leverage the ONOS app subsystem for selecting which
components to load.

CORD-710

Change-Id: Ibd7c4c1afd2caa137b44c085e7b6b5b4a1082521
diff --git a/apps/routing-api/BUCK b/apps/routing-api/BUCK
index d9db85a..4e4939b 100644
--- a/apps/routing-api/BUCK
+++ b/apps/routing-api/BUCK
@@ -1,5 +1,6 @@
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',
+    '//incubator/api:onos-incubator-api',
 ]
 
 TEST_DEPS = [