Add rest-dbus DBUS Introspecting REST server.

 -recipe and supporting files/patches
diff --git a/classes/obmc-phosphor-image.bbclass b/classes/obmc-phosphor-image.bbclass
index 59be345..37e034c 100644
--- a/classes/obmc-phosphor-image.bbclass
+++ b/classes/obmc-phosphor-image.bbclass
@@ -35,4 +35,5 @@
 
 IMAGE_INSTALL += " \
        bash \
+       packagegroup-obmc-phosphor-apps-extras \
        "