Oberwald theme - Update editor of posts and pages to display accurate styles

[GoogleCodeExporter]

To ensure that the now multiple editors on the site can accuratly see what 
their text will look like, the editor styles need to be updated which has been 
availble within wordpress for some time. more information here: 
http://codex.wordpress.org/Function_Reference/add_editor_style

Original issue reported on code.google.com by blacksno...@gmail.com on 9 Oct 2011 at 8:53