Header structure according to new standard

docs/index-header.md

@@ -8,33 +8,30 @@
 
 This page documents the work on the [Skolt Sami language model](http://github.com/giellalt/lang-sms). 
 
-# Background
+## Background
 
 Contributors to the Skolt Sami language model have been Jack Rueter, Eino Koponen, Trond Trosterud and Michael Rießler. 
 
-# Project documentation
+## Project documentation
 
-
-## Testing
+### Testing
 
 - [Koeparadigmat oikolukua varten](KaikkiGeneroidutParadigmat.md)
 - [Table of attribute forms for testing](testit/TestiAAttr.md)
 - [Speller test results](speller-report.html).
 
-## Meetings
+### Meetings
 
 -   2009: [21.11.](meetings/21112009.md)
 -   2013: [13.8.](meetings/130826.md)
 
-## Using the analysers
+### Using the analysers
 
 - [How to install Skolt Sami Keyboards](SkoltSamiKeyboards.md)
 - [How to use the morphological parsers](/tools/docu-sme-manual.html) (for North Sami, relevant for Skolt Sami as well)
 -   Online generation of [paradigms](http://giellatekno.uit.no/cgi/p-sms.fin.html)
     and [text](http://giellatekno.uit.no/cgi/d-sms.fin.html)
 
-
-
-# In-source documentation
+## In-source documentation
 
 Below is an autogenerated list of documentation pages built from structured comments in the source code. All pages are also concatenated and can be read as one long text [here](sms.md).