Added Savanna Project

Added services Savanna, Savanna Dashboard, Savanna python client.

Implements blueprint devstack-savanna-support
Implements blueprint devstack-integration

Change-Id: I8725f59a0cc9aef4817988470313136c56711cf1
diff --git a/extras.d/70-savanna.sh b/extras.d/70-savanna.sh
new file mode 100644
index 0000000..f6881cc
--- /dev/null
+++ b/extras.d/70-savanna.sh
@@ -0,0 +1,31 @@
+# savanna.sh - DevStack extras script to install Savanna
+
+if is_service_enabled savanna; then
+    if [[ "$1" == "source" ]]; then
+        # Initial source
+        source $TOP_DIR/lib/savanna
+        source $TOP_DIR/lib/savanna-dashboard
+    elif [[ "$1" == "stack" && "$2" == "install" ]]; then
+        echo_summary "Installing Savanna"
+        install_savanna
+        if is_service_enabled horizon; then
+            install_savanna_dashboard
+        fi
+    elif [[ "$1" == "stack" && "$2" == "post-config" ]]; then
+        echo_summary "Configuring Savanna"
+        configure_savanna
+        if is_service_enabled horizon; then
+            configure_savanna_dashboard
+        fi
+    elif [[ "$1" == "stack" && "$2" == "extra" ]]; then
+        echo_summary "Initializing Savanna"
+        start_savanna
+    fi
+
+    if [[ "$1" == "unstack" ]]; then
+        stop_savanna
+        if is_service_enabled horizon; then
+            cleanup_savanna_dashboard
+        fi
+    fi
+fi