Clean up coding.rst

docs/coding.rst

@@ -1,17 +1,13 @@
 ========================================
-Coding conventions and other coding info
+Coding Conventions and Other Coding Info
 ========================================
 
 This document contains useful information about our coding conventions, and
 things to watch out for, etc.
 
 
-Naming conventions
-------------------
-
-
 Tests
-^^^^^
+=====
 
 * Avoid naming test files ``test_utils.py``, since we use a library with the
   same name. Use ``test__utils.py`` instead.