* Renamed constants, now starting with "WLD" according to new extension name
* Reorganized OmegaWikiAttributes.php
* Removed unused functions from OmegaWiki/type.php

Change-Id: Iaadf78cd34be747fdf2b9c533a5d518605b2bf1e
Merge "* Renamed constants, now starting with "WLD" according to new extension name * Reorganized OmegaWikiAttributes.php * Removed unused functions from OmegaWiki/type.php"