Added Trove (Database as a Service).

- Added changes to stackrc for the Trove Repos.
- Added support to devstack for "install", "configure",
  "init", and "run"

implements blueprint:trove-devstack-integration

Change-Id: Ib3f6daad33e629f764a174b80762c808ce8588e2
diff --git a/functions b/functions
index f24cc89..54a72ae 100644
--- a/functions
+++ b/functions
@@ -779,6 +779,7 @@
 #   **glance** returns true if any service enabled start with **g-**
 #   **neutron** returns true if any service enabled start with **q-**
 #   **swift** returns true if any service enabled start with **s-**
+#   **trove** returns true if any service enabled start with **tr-**
 #   For backward compatibility if we have **swift** in ENABLED_SERVICES all the
 #   **s-** services will be enabled. This will be deprecated in the future.
 #
@@ -798,6 +799,7 @@
         [[ ${service} == "ceilometer" && ${ENABLED_SERVICES} =~ "ceilometer-" ]] && return 0
         [[ ${service} == "glance" && ${ENABLED_SERVICES} =~ "g-" ]] && return 0
         [[ ${service} == "neutron" && ${ENABLED_SERVICES} =~ "q-" ]] && return 0
+        [[ ${service} == "trove" && ${ENABLED_SERVICES} =~ "tr-" ]] && return 0
         [[ ${service} == "swift" && ${ENABLED_SERVICES} =~ "s-" ]] && return 0
         [[ ${service} == s-* && ${ENABLED_SERVICES} =~ "swift" ]] && return 0
     done