removing submodules and adapting documentation

Change-Id: If5714c30e94532901d37b7aa9b3f368a7bf48eb6
diff --git a/settings.gradle b/settings.gradle
index 6efd72a..ffceecd 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,4 +1,4 @@
-include 'components/maas'
-include 'components/cord-onos-publisher'
-include 'components/cord-tester'
-include 'components/platform-install'
+include 'maas'
+include 'platform-install'
+includeFlat 'onos-apps'
+