* added non-feature-branches to handle non-numeric branches matching …

…configured patterns not been handled as feature branches

* added documentation to doc/04-schema.md
* fixed indentation and styling

doc/04-schema.md

@@ -801,16 +801,15 @@ names, that should be handled as dev version branches.
 
 An example:
 If you have a testing branch, that is heavily maintained during a testing phase and is
-deployed to your staging environment, normally "composer show -s" will give you "versions : * dev-master".
+deployed to your staging environment, normally "composer show -s" will give you `versions : * dev-master`.
 
 If you configure latest-.* as a pattern for non-feature-branches like this:
 
     {
         "non-feature-branches": ["latest-.*"]
     }
 
-Then "composer show -s" will give you "versions : * dev-latest-testing".
-
+Then "composer show -s" will give you `versions : * dev-latest-testing`.
 
 Optional.