Fixed several sphinx WARNINGS, added more release text

Change-Id: Ia167a9d46ee48fbf27c6cd09d78fcf31f3d4aedf
diff --git a/howto/release/ci-management/index.rst b/howto/release/ci-management/index.rst
index 5992fc5..d812ab8 100644
--- a/howto/release/ci-management/index.rst
+++ b/howto/release/ci-management/index.rst
@@ -12,3 +12,5 @@
    clone_and_branch_testing
    create_lts_view
    jjb_software_upgrades
+
+   clone_testing