Add rest-dbus DBUS Introspecting REST server.

 -recipe and supporting files/patches
diff --git a/common/recipes-phosphor/packagegroups/packagegroup-obmc-phosphor-apps.bb b/common/recipes-phosphor/packagegroups/packagegroup-obmc-phosphor-apps.bb
index 634f5d8..8aa6ba8 100644
--- a/common/recipes-phosphor/packagegroups/packagegroup-obmc-phosphor-apps.bb
+++ b/common/recipes-phosphor/packagegroups/packagegroup-obmc-phosphor-apps.bb
@@ -12,6 +12,7 @@
 
 PROVIDES = "${PACKAGES}"
 PACKAGES = " \
+        packagegroup-obmc-phosphor-apps-extras \
         ${@mf_enabled("obmc-phosphor-fan-mgmt", "packagegroup-obmc-phosphor-apps-fan-mgmt", d)} \
         ${@mf_enabled("obmc-phosphor-chassis-mgmt", "packagegroup-obmc-phosphor-apps-chassis-mgmt", d)} \
         ${@mf_enabled("obmc-phosphor-sensor-mgmt", "packagegroup-obmc-phosphor-apps-sensor-mgmt", d)} \
@@ -21,6 +22,11 @@
         ${@df_enabled("obmc-phosphor-system-mgmt", "packagegroup-obmc-phosphor-apps-system-mgmt", d)} \
         "
 
+SUMMARY_packagegroup-obmc-phosphor-apps-extras = "Extra features"
+RDEPENDS_packagegroup-obmc-phosphor-apps-extras = " \
+        rest-dbus \
+        "
+
 SUMMARY_packagegroup-obmc-phosphor-apps-fan-mgmt = "Fan management support"
 RDEPENDS_packagegroup-obmc-phosphor-apps-fan-mgmt = \
         "${@cf_enabled("obmc-phosphor-fan-mgmt", " \