Making number of components configurable using the central component configuration subsystem.

Change-Id: Ia32c51480913689339a766d9849e792d62f7d133
diff --git a/providers/host/src/main/resources/org/onosproject/provider/host/impl/HostLocationProvider.cfgdef b/providers/host/src/main/resources/org/onosproject/provider/host/impl/HostLocationProvider.cfgdef
new file mode 100644
index 0000000..0412408
--- /dev/null
+++ b/providers/host/src/main/resources/org/onosproject/provider/host/impl/HostLocationProvider.cfgdef
@@ -0,0 +1,3 @@
+# Temporary: to be auto-generated in near future
+hostRemovalEnabled|BOOLEAN|true|Enable host removal on port/device down events
+ipv6NeighborDiscovery|BOOLEAN|false|Enable using IPv6 Neighbor Discovery by the Host Location Provider; default is false