Formatting cleanups, doc updates and whatnot

Change-Id: Ica8298353be22f947c8e8a03d8dc29ded9cb26dd
diff --git a/lib/databases/mysql b/lib/databases/mysql
index 30450b1..056aec4 100644
--- a/lib/databases/mysql
+++ b/lib/databases/mysql
@@ -8,8 +8,13 @@
 MY_XTRACE=$(set +o | grep xtrace)
 set +o xtrace
 
+
 register_database mysql
 
+
+# Functions
+# ---------
+
 # Get rid of everything enough to cleanly change database backends
 function cleanup_database_mysql {
     if is_ubuntu; then
@@ -137,6 +142,7 @@
     echo "$BASE_SQL_CONN/$db?charset=utf8"
 }
 
+
 # Restore xtrace
 $MY_XTRACE