Formatting cleanups, doc updates and whatnot

Change-Id: Ica8298353be22f947c8e8a03d8dc29ded9cb26dd
diff --git a/lib/tempest b/lib/tempest
index c1dc3a3..e59737b 100644
--- a/lib/tempest
+++ b/lib/tempest
@@ -50,8 +50,9 @@
 
 BOTO_MATERIALS_PATH="$FILES/images/s3-materials/cirros-0.3.1"
 
-# Entry Points
-# ------------
+
+# Functions
+# ---------
 
 # configure_tempest() - Set config files, create data dirs, etc
 function configure_tempest() {