Add manager skeleton

Add stubbed Notify implementation and register for generated
signal callbacks.

Add a unit test; which, at this point does little more than
verify we don't coredump on startup.

Change-Id: I0cda71935947c0d082612a5c52e2b7eba98516ab
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/Makefile.am b/Makefile.am
index 3c1e3c8..9bc1cf2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -1,4 +1,10 @@
 sbin_PROGRAMS = phosphor-inventory
 
 phosphor_inventory_SOURCES = \
-	app.cpp
+	app.cpp \
+	server.cpp \
+	manager.cpp
+phosphor_inventory_LDFLAGS = $(SYSTEMD_LIBS)
+phosphor_inventory_CFLAGS = $(SYSTEMD_CFLAGS)
+
+SUBDIRS = test